367 lines
16 KiB
JSON
367 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-2026-8468",
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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": "2026-05-13T11:44:42.164Z",
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"datePublished": "2026-05-14T10:29:51.062Z",
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"dateUpdated": "2026-05-27T15:41:29.241Z"
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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:plug_project:plug:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"Elixir.Plug.Conn"
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],
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"packageName": "plug",
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"packageURL": "pkg:hex/plug",
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"product": "plug",
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"programFiles": [
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"lib/plug/conn.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.Plug.Conn':read_part_headers/2"
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}
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],
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"repo": "https://github.com/elixir-plug/plug",
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"vendor": "elixir-plug",
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"versions": [
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{
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"lessThan": "1.15.4",
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"status": "affected",
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"version": "1.4.0",
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"versionType": "semver"
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},
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{
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"lessThan": "1.16.3",
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"status": "affected",
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"version": "1.16.0",
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"versionType": "semver"
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},
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{
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"lessThan": "1.17.1",
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"status": "affected",
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"version": "1.17.0",
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"versionType": "semver"
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},
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{
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"lessThan": "1.18.2",
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"status": "affected",
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"version": "1.18.0",
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"versionType": "semver"
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},
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{
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"lessThan": "1.19.2",
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"status": "affected",
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"version": "1.19.0",
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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:plug_project:plug:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"Elixir.Plug.Conn"
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],
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"packageName": "elixir-plug/plug",
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"packageURL": "pkg:github/elixir-plug/plug",
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"product": "plug",
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"programFiles": [
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"lib/plug/conn.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.Plug.Conn':read_part_headers/2"
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}
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],
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"repo": "https://github.com/elixir-plug/plug",
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"vendor": "elixir-plug",
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"versions": [
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{
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"changes": [
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{
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"at": "2cb7958d33030aa826b0c7404375844d4593d43a",
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"status": "unaffected"
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},
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{
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"at": "aa69c5ece99c40ded88b8c6581ecc86664b0b734",
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"status": "unaffected"
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},
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{
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"at": "d5dfffe25e975585227b1b85d247b0d14164bc45",
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"status": "unaffected"
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},
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{
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"at": "df812a1527bae9e941965e897308a2b8bbf83a94",
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"status": "unaffected"
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},
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{
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"at": "33858427c7f2737d560a2e40a0c9a9270d77d1d7",
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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": "c52b2f32c90bccd718202bafccb5f95594e30183",
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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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"configurations": [
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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>The application must use <tt>Plug.Parsers</tt> with the <tt>:multipart</tt> parser, or otherwise call <tt>Plug.Conn.read_part_headers/2</tt> to process <tt>multipart/form-data</tt> request bodies. Deployments that do not handle multipart uploads are not affected.</p>"
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}
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],
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"value": "The application must use Plug.Parsers with the :multipart parser, or otherwise call Plug.Conn.read_part_headers/2 to process multipart/form-data request bodies. Deployments that do not handle multipart uploads are not affected."
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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:plug_project:plug:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "1.15.4",
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"versionStartIncluding": "1.4.0",
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"vulnerable": true
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},
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{
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"criteria": "cpe:2.3:a:plug_project:plug:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "1.16.3",
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"versionStartIncluding": "1.16.0",
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"vulnerable": true
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},
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{
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"criteria": "cpe:2.3:a:plug_project:plug:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "1.17.1",
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"versionStartIncluding": "1.17.0",
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"vulnerable": true
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},
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{
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"criteria": "cpe:2.3:a:plug_project:plug:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "1.18.2",
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"versionStartIncluding": "1.18.0",
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"vulnerable": true
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},
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{
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"criteria": "cpe:2.3:a:plug_project:plug:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "1.19.2",
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"versionStartIncluding": "1.19.0",
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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": "José Valim"
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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": "analyst",
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"value": "Jonatan Männchen / EEF"
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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>Allocation of Resources Without Limits or Throttling vulnerability in plug_project plug allows denial of service via unbounded buffer accumulation in multipart header parsing.</p><p><tt>'Elixir.Plug.Conn':read_part_headers/2</tt> in <tt>lib/plug/conn.ex</tt> does not obey its <tt>:length</tt> parameter. There is no upper bound on the size of the accumulated buffer. By contrast, the sibling function <tt>read_part_body</tt> has an explicit <tt>byte_size(acc) > length</tt> guard that stops accumulation once a limit is reached. No such guard exists in <tt>read_part_headers</tt>. An unauthenticated remote attacker can exhaust server memory by sending a crafted <tt>multipart/form-data</tt> request, causing a denial of service.</p><p>This issue affects plug from 1.4.0 before 1.15.4, 1.16.3, 1.17.1, 1.18.2, and 1.19.2.</p>"
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}
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],
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"value": "Allocation of Resources Without Limits or Throttling vulnerability in plug_project plug allows denial of service via unbounded buffer accumulation in multipart header parsing.\n\n'Elixir.Plug.Conn':read_part_headers/2 in lib/plug/conn.ex does not obey its :length parameter. There is no upper bound on the size of the accumulated buffer. By contrast, the sibling function read_part_body has an explicit byte_size(acc) > length guard that stops accumulation once a limit is reached. No such guard exists in read_part_headers. An unauthenticated remote attacker can exhaust server memory by sending a crafted multipart/form-data request, causing a denial of service.\n\nThis issue affects plug from 1.4.0 before 1.15.4, 1.16.3, 1.17.1, 1.18.2, and 1.19.2."
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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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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"attackVector": "NETWORK",
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"baseScore": 8.2,
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"baseSeverity": "HIGH",
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"privilegesRequired": "NONE",
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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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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/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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},
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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-770",
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"description": "CWE-770 Allocation of Resources Without Limits or Throttling",
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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": "2026-05-27T15:41:29.241Z"
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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/elixir-plug/plug/security/advisories/GHSA-468c-vq7p-gh64"
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},
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{
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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-2026-8468.html"
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},
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{
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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-2026-8468"
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},
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{
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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-2026-8466.html"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/elixir-plug/plug/commit/2cb7958d33030aa826b0c7404375844d4593d43a"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/elixir-plug/plug/commit/aa69c5ece99c40ded88b8c6581ecc86664b0b734"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/elixir-plug/plug/commit/d5dfffe25e975585227b1b85d247b0d14164bc45"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/elixir-plug/plug/commit/df812a1527bae9e941965e897308a2b8bbf83a94"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/elixir-plug/plug/commit/33858427c7f2737d560a2e40a0c9a9270d77d1d7"
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}
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],
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"source": {
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"discovery": "INTERNAL"
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},
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"title": "Unbounded buffer accumulation in multipart header parsing causes denial of service in plug",
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"x_generator": {
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"engine": "cvelib 1.8.0"
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}
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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": "2026-05-14T17:53:52.632415Z",
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"id": "CVE-2026-8468",
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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": "2026-05-14T17:54:23.302Z"
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}
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}
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]
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}
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} |