{"id":"CVE-2026-21677","state":"PUBLISHED","title":"iccDEV has Undefined Behavior in CIccCLUT::Init()","description":"iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have Undefined Behavior in its CIccCLUT::Init function which initializes and sets the size of a CLUT. This issue is fixed in version 2.3.1.1.","publishedAt":"2026-01-06T03:11:30.537Z","updatedAt":"2026-01-06T18:56:50.126Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["InternationalColorConsortium iccDEV"],"affected":[{"vendor":"InternationalColorConsortium","product":"iccDEV","versions":[{"version":"< 2.3.1.1","status":"affected"}]}],"references":["https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-95w5-jvqf-3994","https://github.com/InternationalColorConsortium/iccDEV/issues/181","https://github.com/InternationalColorConsortium/iccDEV/commit/201125fbda22c8e4ea95800a6b427093fa4b8a22"],"weaknesses":["CWE-758","CWE-20"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/21xxx/CVE-2026-21677.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-21677","state":"PUBLISHED","datePublished":"2026-01-06T03:11:30.537Z","dateUpdated":"2026-01-06T18:56:50.126Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-01-02T18:45:27.395Z"},"containers":{"cna":{"title":"iccDEV has Undefined Behavior in CIccCLUT::Init()","descriptions":[{"lang":"en","value":"iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have Undefined Behavior in its CIccCLUT::Init function which initializes and sets the size of a CLUT. This issue is fixed in version 2.3.1.1."}],"affected":[{"vendor":"InternationalColorConsortium","product":"iccDEV","versions":[{"version":"< 2.3.1.1","status":"affected"}]}],"references":[{"url":"https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-95w5-jvqf-3994","name":"https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-95w5-jvqf-3994","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/InternationalColorConsortium/iccDEV/issues/181","name":"https://github.com/InternationalColorConsortium/iccDEV/issues/181","tags":["x_refsource_MISC"]},{"url":"https://github.com/InternationalColorConsortium/iccDEV/commit/201125fbda22c8e4ea95800a6b427093fa4b8a22","name":"https://github.com/InternationalColorConsortium/iccDEV/commit/201125fbda22c8e4ea95800a6b427093fa4b8a22","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-758","lang":"en","description":"CWE-758: Reliance on Undefined, Unspecified, or Implementation-Defined Behavior","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-20","lang":"en","description":"CWE-20: Improper Input Validation","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-01-06T03:12:18.035Z"},"source":{"advisory":"GHSA-95w5-jvqf-3994","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/InternationalColorConsortium/iccDEV/issues/181","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-06T14:19:38.931382Z","id":"CVE-2026-21677","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-06T18:56:50.126Z"}}]}}}