354 lines
16 KiB
JSON
354 lines
16 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-2026-32686",
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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": "2026-03-13T09:12:14.474Z",
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"datePublished": "2026-05-07T14:04:47.222Z",
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"dateUpdated": "2026-09-08T13:08:41.575Z"
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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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"collectionURL": "https://repo.hex.pm",
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"cpes": [
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"cpe:2.3:a:ericmj:decimal:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.Decimal'"
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],
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"packageName": "decimal",
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"packageURL": "pkg:hex/decimal",
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"product": "decimal",
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"programFiles": [
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"lib/decimal.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.Decimal':new/1"
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},
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{
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"name": "'Elixir.Decimal':parse/1"
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},
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{
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"name": "'Elixir.Decimal':cast/1"
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},
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{
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"name": "'Elixir.Decimal':add/2"
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},
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{
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"name": "'Elixir.Decimal':sub/2"
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},
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{
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"name": "'Elixir.Decimal':div/2"
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},
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{
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"name": "'Elixir.Decimal':to_string/2"
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},
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{
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"name": "'Elixir.Decimal':to_integer/1"
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},
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{
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"name": "'Elixir.Decimal':round/3"
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},
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{
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"name": "'Elixir.Decimal':compare/3"
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}
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],
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"repo": "https://github.com/ericmj/decimal",
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"vendor": "ericmj",
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"versions": [
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{
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"lessThan": "3.0.0",
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"status": "affected",
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"version": "0.1.0",
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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:ericmj:decimal:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.Decimal'"
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],
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"packageName": "ericmj/decimal",
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"packageURL": "pkg:github/ericmj/decimal",
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"product": "decimal",
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"programFiles": [
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"lib/decimal.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.Decimal':new/1"
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},
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{
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"name": "'Elixir.Decimal':parse/1"
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},
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{
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"name": "'Elixir.Decimal':cast/1"
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},
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{
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"name": "'Elixir.Decimal':add/2"
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},
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{
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"name": "'Elixir.Decimal':sub/2"
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},
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{
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"name": "'Elixir.Decimal':div/2"
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},
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{
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"name": "'Elixir.Decimal':to_string/2"
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},
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{
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"name": "'Elixir.Decimal':to_integer/1"
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},
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{
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"name": "'Elixir.Decimal':round/3"
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},
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{
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"name": "'Elixir.Decimal':compare/3"
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}
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],
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"repo": "https://github.com/ericmj/decimal",
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"vendor": "ericmj",
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"versions": [
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{
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"lessThan": "6a523f3a73b8c9974540e21c7aa88f1258bb35ae",
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"status": "affected",
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"version": "bc11f4a2b6fb61fc1360a0ab4e79141bba918841",
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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:ericmj:decimal:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "3.0.0",
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"versionStartIncluding": "0.1.0",
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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": "Eric Meadows-Jönsson / Hex.pm"
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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": "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": "Wojtek Mach"
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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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"lang": "en",
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"type": "remediation reviewer",
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"value": "ruslandoga"
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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": "Matthew Johnston"
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}
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],
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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 ericmj decimal allows unauthenticated remote Denial of Service.</p>\n<p>The <code>decimal</code> library does not bound the exponent on parsed input. Storing a decimal with a very large exponent (e.g. <code>Decimal.new(\"1e1000000000\")</code>) is accepted without error. Subsequent calls to arithmetic functions (<code>Decimal.add/2</code>, <code>Decimal.sub/2</code>, <code>Decimal.div/2</code>M), <code>Decimal.to_string/2</code>M with <code>:normal</code>M or <code>:xsd</code>M format, <code>Decimal.to_integer/1</code>M, <code>Decimal.round/3</code>M, or <code>Decimal.compare/3</code>M with a threshold allocate memory proportional to the exponent value, which can exhaust available memory and crash the BEAM VM.</p>\n<p>Any application that accepts user-supplied decimal input and subsequently performs arithmetic, rounding, conversion to integer, or string formatting on it is exposed. A single malicious request is sufficient to cause an out-of-memory crash.</p>\n<p>This issue affects decimal: from 0.1.0 before 3.0.0.</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 ericmj decimal allows unauthenticated remote Denial of Service.\n\nThe `decimal` library does not bound the exponent on parsed input. Storing a decimal with a very large exponent (e.g. `Decimal.new(\"1e1000000000\")`) is accepted without error. Subsequent calls to arithmetic functions (`Decimal.add/2`, `Decimal.sub/2`, `Decimal.div/2`M), `Decimal.to_string/2`M with `:normal`M or `:xsd`M format, `Decimal.to_integer/1`M, `Decimal.round/3`M, or `Decimal.compare/3`M with a threshold allocate memory proportional to the exponent value, which can exhaust available memory and crash the BEAM VM.\n\nAny application that accepts user-supplied decimal input and subsequently performs arithmetic, rounding, conversion to integer, or string formatting on it is exposed. A single malicious request is sufficient to cause an out-of-memory crash.\n\nThis issue affects decimal: from 0.1.0 before 3.0.0."
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}
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],
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"value": "Uncontrolled Resource Consumption vulnerability in ericmj decimal allows unauthenticated remote Denial of Service.\n\nThe decimal library does not bound the exponent on parsed input. Storing a decimal with a very large exponent (e.g. Decimal.new(\"1e1000000000\")) is accepted without error. Subsequent calls to arithmetic functions (Decimal.add/2, Decimal.sub/2, Decimal.div/2M), Decimal.to_string/2M with :normalM or :xsdM format, Decimal.to_integer/1M, Decimal.round/3M, or Decimal.compare/3M with a threshold allocate memory proportional to the exponent value, which can exhaust available memory and crash the BEAM VM.\n\nAny application that accepts user-supplied decimal input and subsequently performs arithmetic, rounding, conversion to integer, or string formatting on it is exposed. A single malicious request is sufficient to cause an out-of-memory crash.\n\nThis issue affects decimal: from 0.1.0 before 3.0.0."
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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": 6.9,
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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:H/SC:N/SI:N/SA:N",
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"version": "4.0",
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"vulnAvailabilityImpact": "HIGH",
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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": "2026-09-08T13:08:41.575Z"
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},
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"references": [
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{
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"tags": [
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"vendor-advisory",
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"related"
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],
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"url": "https://github.com/ericmj/decimal/security/advisories/GHSA-rhv4-8758-jx7v"
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},
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{
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"name": "EEF CNA record for CVE-2026-32686",
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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-2026-32686.html"
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},
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{
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"name": "OSV record EEF-CVE-2026-32686",
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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-2026-32686"
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},
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{
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"name": "Introducing commit bc11f4a in ericmj/decimal",
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"tags": [
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"related"
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],
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"url": "https://github.com/ericmj/decimal/commit/bc11f4a2b6fb61fc1360a0ab4e79141bba918841"
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},
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{
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"name": "Fix commit 6a523f3 in ericmj/decimal",
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"tags": [
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"patch"
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],
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"url": "https://github.com/ericmj/decimal/commit/6a523f3a73b8c9974540e21c7aa88f1258bb35ae"
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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 exponent in decimal enables unauthenticated DoS"
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/ericmj/decimal/security/advisories/GHSA-rhv4-8758-jx7v",
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"tags": [
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"exploit"
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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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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-05-08T22:42:13.343081Z",
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"id": "CVE-2026-32686",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "yes"
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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": "2026-05-08T22:43:03.396Z"
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}
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}
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]
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}
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} |