345 lines
17 KiB
JSON
345 lines
17 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-49762",
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"assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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"state": "PUBLISHED",
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"assignerShortName": "EEF",
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"dateReserved": "2026-06-01T13:45:22.449Z",
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"datePublished": "2026-06-09T14:04:07.405Z",
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"dateUpdated": "2026-10-06T08:35:59.691Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"cpes": [
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"cpe:2.3:a:elixir-lang:elixir:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.Version'",
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"'Elixir.Version.Parser'"
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],
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"packageName": "elixir",
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"packageURL": "pkg:otp/elixir?repository_url=https:%2F%2Fgithub.com%2Felixir-lang%2Felixir&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Felixir-lang%2Felixir.git",
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"product": "elixir",
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"programFiles": [
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"lib/version.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.Version':parse/1"
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},
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{
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"name": "'Elixir.Version':parse!/1"
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},
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{
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"name": "'Elixir.Version':match?/3"
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},
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{
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"name": "'Elixir.Version':compare/2"
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},
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{
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"name": "'Elixir.Version':parse_requirement/1"
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},
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{
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"name": "'Elixir.Version.Parser':parse_version/2"
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},
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{
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"name": "'Elixir.Version.Parser':parse_digits/2"
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},
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{
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"name": "'Elixir.Version.Parser':require_digits/1"
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},
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{
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"name": "'Elixir.Version.Parser':convert_parts_to_integer/2"
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}
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],
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"repo": "https://github.com/elixir-lang/elixir",
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"vendor": "elixir-lang",
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"versions": [
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{
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"lessThan": "1.20.1",
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"status": "affected",
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"version": "0.9.3",
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"versionType": "semver"
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}
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]
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},
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{
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"collectionURL": "https://github.com",
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"cpes": [
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"cpe:2.3:a:elixir-lang:elixir:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.Version'",
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"'Elixir.Version.Parser'"
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],
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"packageName": "elixir-lang/elixir",
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"packageURL": "pkg:github/elixir-lang/elixir",
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"product": "elixir",
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"programFiles": [
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"lib/elixir/lib/version.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.Version':parse/1"
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},
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{
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"name": "'Elixir.Version':parse!/1"
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},
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{
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"name": "'Elixir.Version':match?/3"
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},
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{
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"name": "'Elixir.Version':compare/2"
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},
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{
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"name": "'Elixir.Version':parse_requirement/1"
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},
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{
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"name": "'Elixir.Version.Parser':parse_version/2"
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},
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{
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"name": "'Elixir.Version.Parser':parse_digits/2"
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},
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{
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"name": "'Elixir.Version.Parser':require_digits/1"
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},
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{
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"name": "'Elixir.Version.Parser':convert_parts_to_integer/2"
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}
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],
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"repo": "https://github.com/elixir-lang/elixir",
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"vendor": "elixir-lang",
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"versions": [
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{
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"changes": [
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{
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"at": "c64417d72fd5c7d09e963ca3ac5fa2b140978d9e",
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"status": "unaffected"
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},
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{
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"at": "64e6707233464c3e55a9ca6b44019aed25b0390a",
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"status": "unaffected"
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}
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],
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"lessThan": "*",
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"status": "affected",
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"version": "057691722eb8cfe315f5606358954a2b173ff7a3",
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"versionType": "git"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"cpeMatch": [
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{
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"criteria": "cpe:2.3:a:elixir-lang:elixir:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "1.20.1",
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"versionStartIncluding": "0.9.3",
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"vulnerable": true
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}
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],
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"negate": false,
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"operator": "OR"
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}
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],
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"operator": "AND"
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}
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],
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"credits": [
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{
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"lang": "en",
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"type": "finder",
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"value": "Peter Ullrich"
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},
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{
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"lang": "en",
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"type": "remediation developer",
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"value": "José Valim"
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},
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{
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"lang": "en",
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"type": "remediation reviewer",
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"value": "Eric Meadows-Jönsson"
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},
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{
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"lang": "en",
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"type": "analyst",
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"value": "Jonatan Männchen / EEF"
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}
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],
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"datePublic": "2026-06-09T14:04:07.000Z",
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p>Uncontrolled Resource Consumption vulnerability in the Elixir standard library's <code>Version</code> module allows an attacker who controls a version string to cause a denial of service through CPU and memory exhaustion.</p>\n<p>The version parser converts numeric version components (major, minor, patch and numeric pre-release/build identifiers) to integers without bounding their length. A single large all-digit component therefore forces a super-linear, non-yielding base-10 to arbitrary-precision integer conversion (<code>String.to_integer/1</code>, i.e. <code>:erlang.binary_to_integer/1</code>) that pins a BEAM scheduler, and a larger component raises an uncaught <code>SystemLimitError</code> that crashes the calling process. A single moderately sized string (around one megabyte) is enough; no authentication is required.</p>\n<p>This is reachable from the public entry points <code>Version.parse/1</code>, <code>Version.parse!/1</code>, <code>Version.match?/3</code>, <code>Version.compare/2</code>, and <code>Version.parse_requirement/1</code>, which applications routinely call on untrusted input such as HTTP parameters, dependency-manifest fields, and package metadata.</p>\n<p>This vulnerability is associated with program files <code>lib/version.ex</code> and program routines <code>'Elixir.Version.Parser':parse_digits/2</code>.</p>\n<p>This issue affects elixir: from 0.9.3 before 1.20.1.</p>"
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},
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{
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"base64": false,
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"type": "text/markdown",
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"value": "Uncontrolled Resource Consumption vulnerability in the Elixir standard library's `Version` module allows an attacker who controls a version string to cause a denial of service through CPU and memory exhaustion.\n\nThe version parser converts numeric version components (major, minor, patch and numeric pre-release/build identifiers) to integers without bounding their length. A single large all-digit component therefore forces a super-linear, non-yielding base-10 to arbitrary-precision integer conversion (`String.to_integer/1`, i.e. `:erlang.binary_to_integer/1`) that pins a BEAM scheduler, and a larger component raises an uncaught `SystemLimitError` that crashes the calling process. A single moderately sized string (around one megabyte) is enough; no authentication is required.\n\nThis is reachable from the public entry points `Version.parse/1`, `Version.parse!/1`, `Version.match?/3`, `Version.compare/2`, and `Version.parse_requirement/1`, which applications routinely call on untrusted input such as HTTP parameters, dependency-manifest fields, and package metadata.\n\nThis vulnerability is associated with program files `lib/version.ex` and program routines `'Elixir.Version.Parser':parse_digits/2`.\n\nThis issue affects elixir: from 0.9.3 before 1.20.1."
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}
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],
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"value": "Uncontrolled Resource Consumption vulnerability in the Elixir standard library's Version module allows an attacker who controls a version string to cause a denial of service through CPU and memory exhaustion.\n\nThe version parser converts numeric version components (major, minor, patch and numeric pre-release/build identifiers) to integers without bounding their length. A single large all-digit component therefore forces a super-linear, non-yielding base-10 to arbitrary-precision integer conversion (String.to_integer/1, i.e. :erlang.binary_to_integer/1) that pins a BEAM scheduler, and a larger component raises an uncaught SystemLimitError that crashes the calling process. A single moderately sized string (around one megabyte) is enough; no authentication is required.\n\nThis is reachable from the public entry points Version.parse/1, Version.parse!/1, Version.match?/3, Version.compare/2, and Version.parse_requirement/1, which applications routinely call on untrusted input such as HTTP parameters, dependency-manifest fields, and package metadata.\n\nThis vulnerability is associated with program files lib/version.ex and program routines 'Elixir.Version.Parser':parse_digits/2.\n\nThis issue affects elixir: from 0.9.3 before 1.20.1."
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-130",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-130 Excessive Allocation"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV4_0": {
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"attackVector": "LOCAL",
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"baseScore": 5.1,
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"baseSeverity": "MEDIUM",
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"privilegesRequired": "NONE",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"userInteraction": "NONE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
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"version": "4.0",
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"vulnAvailabilityImpact": "LOW",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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},
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-400",
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"description": "CWE-400 Uncontrolled Resource Consumption",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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"shortName": "EEF",
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"dateUpdated": "2026-10-06T08:35:59.691Z"
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},
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"references": [
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{
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"name": "GitHub Advisory",
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"tags": [
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"related",
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"vendor-advisory"
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],
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"url": "https://github.com/elixir-lang/elixir/security/advisories/GHSA-w2h8-8x3g-278p"
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},
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{
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"name": "EEF CNA record for CVE-2026-49762",
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"tags": [
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"related"
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],
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"url": "https://cna.erlef.org/cves/CVE-2026-49762.html"
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},
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{
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"name": "OSV record EEF-CVE-2026-49762",
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"tags": [
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"related"
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],
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"url": "https://osv.dev/vulnerability/EEF-CVE-2026-49762"
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},
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{
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"name": "Introducing commit 0576917 in elixir-lang/elixir",
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"tags": [
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"related"
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],
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"url": "https://github.com/elixir-lang/elixir/commit/057691722eb8cfe315f5606358954a2b173ff7a3"
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},
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{
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"name": "Fix commit c64417d in elixir-lang/elixir",
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"tags": [
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"patch"
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],
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"url": "https://github.com/elixir-lang/elixir/commit/c64417d72fd5c7d09e963ca3ac5fa2b140978d9e"
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},
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{
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"name": "Fix commit 64e6707 in elixir-lang/elixir",
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"tags": [
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"patch"
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],
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"url": "https://github.com/elixir-lang/elixir/commit/64e6707233464c3e55a9ca6b44019aed25b0390a"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"title": "Unbounded integer parsing in the Version module enables CPU and memory exhaustion denial of service"
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-06-09T14:48:56.343391Z",
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"id": "CVE-2026-49762",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-06-09T14:49:07.338Z"
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}
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}
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]
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}
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} |