{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-21491","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2025-12-29T14:34:16.006Z","datePublished":"2026-01-06T19:07:37.795Z","dateUpdated":"2026-01-06T19:36:42.727Z"},"containers":{"cna":{"title":"iccDEV has unicode buffer overflow in CIccTagTextDescription","problemTypes":[{"descriptions":[{"cweId":"CWE-122","lang":"en","description":"CWE-122: Heap-based Buffer Overflow","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"CWE-125: Out-of-bounds Read","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-193","lang":"en","description":"CWE-193: Off-by-one Error","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-4pv4-4x2x-6j88","tags":["x_refsource_CONFIRM"],"url":"https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-4pv4-4x2x-6j88"},{"name":"https://github.com/InternationalColorConsortium/iccDEV/issues/396","tags":["x_refsource_MISC"],"url":"https://github.com/InternationalColorConsortium/iccDEV/issues/396"},{"name":"https://github.com/InternationalColorConsortium/iccDEV/commit/7c2cb719a9de1c00844e457e070d657314383ee3","tags":["x_refsource_MISC"],"url":"https://github.com/InternationalColorConsortium/iccDEV/commit/7c2cb719a9de1c00844e457e070d657314383ee3"},{"name":"https://github.com/InternationalColorConsortium/iccDEV/commit/e91fe722ac54ce497d410153e7405090e0565d7b","tags":["x_refsource_MISC"],"url":"https://github.com/InternationalColorConsortium/iccDEV/commit/e91fe722ac54ce497d410153e7405090e0565d7b"}],"affected":[{"vendor":"InternationalColorConsortium","product":"iccDEV","versions":[{"version":"< 2.3.1.2","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-01-06T19:07:37.795Z"},"descriptions":[{"lang":"en","value":"iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. A vulnerability present in versions prior to 2.3.1.2 affects users of the iccDEV library who process ICC color profiles. It results in unicode buffer overflow in `CIccTagTextDescription`. Version 2.3.1.2 contains a patch. No known workarounds are available."}],"source":{"advisory":"GHSA-4pv4-4x2x-6j88","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-06T19:22:06.434154Z","id":"CVE-2026-21491","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-01-06T19:36:42.727Z"}}]}}