{"id":"CVE-2026-85090","summary":"FreeRDP before 3.31.0 Heap Out-of-Bounds Read via AVC444","details":"FreeRDP before 3.31.0 contains a heap out-of-bounds read vulnerability in the general_ChromaV1ToYUV444 function during AVC444 chroma plane reconstruction. A malicious RDP server can craft a RFX_AVC444_BITMAP_STREAM with specific frame geometry to trigger an out-of-bounds memory read past the allocated luma plane.","aliases":["GHSA-57h7-vw2f-2f9x"],"modified":"2026-10-28T11:18:52.863952280Z","published":"2026-09-03T01:04:43.732Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85090.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-125"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85090.json"},{"type":"ADVISORY","url":"https://github.com/FreeRDP/FreeRDP/releases/tag/3.31.0"},{"type":"ADVISORY","url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-57h7-vw2f-2f9x"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85090"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/freerdp-before-3.31.0-heap-out-of-bounds-read-via-avc444"},{"type":"FIX","url":"https://github.com/FreeRDP/FreeRDP/commit/d0a481cb74ab57bca24791fe11b89464a332d3f1"},{"type":"PACKAGE","url":"https://github.com/FreeRDP/FreeRDP"},{"type":"ARTICLE","url":"https://github.com/FreeRDP/FreeRDP/blob/3.30.0/libfreerdp/primitives/prim_YUV.c"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/freerdp/freerdp","events":[{"introduced":"a34fa7c49d2a39aa49ace1d7bea9656912d8c7cb"},{"fixed":"aa8650b300aa4cabd85d9c72b431301509b9043f"},{"fixed":"d0a481cb74ab57bca24791fe11b89464a332d3f1"}],"database_specific":{"extracted_events":[{"source":"AFFECTED_FIELD","strategy":"StandardRange","range":[{"introduced":"3.0.0"},{"fixed":"3.31.0"}]},{"range":[{"fixed":"d0a481cb74ab57bca24791fe11b89464a332d3f1"}],"source":"REFERENCES_COMMIT"},{"source":"REFERENCES_TAG","original_tag":"3.31.0","range":[{"fixed":"aa8650b300aa4cabd85d9c72b431301509b9043f"}]}]}}],"versions":["3.5.1","3.5.0","3.4.0","3.3.0","3.2.0","3.1.0","3.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-85090.json","vanir_signatures":[{"deprecated":false,"digest":{"line_hashes":["222844783384054854508448835032362353607","78894728714317685536733199344700424972","188849493547965806067974528392636716021","125399785774686746203350448456963170643"],"threshold":0.9},"id":"CVE-2026-85090-668e5fff","signature_type":"Line","signature_version":"v1","source":"https://github.com/freerdp/freerdp/commit/d0a481cb74ab57bca24791fe11b89464a332d3f1","target":{"file":"libfreerdp/primitives/sse/prim_YUV_sse4.1.c"}},{"id":"CVE-2026-85090-66eb76a4","signature_type":"Line","signature_version":"v1","source":"https://github.com/freerdp/freerdp/commit/d0a481cb74ab57bca24791fe11b89464a332d3f1","target":{"file":"libfreerdp/primitives/prim_YUV.c"},"deprecated":false,"digest":{"line_hashes":["153228136807328893762164467073001951512","68655560865940475272913734901279328475","207265947380454347599482176595463824743","256959771098379164805822368299934345457"],"threshold":0.9}},{"deprecated":false,"digest":{"line_hashes":["153228136807328893762164467073001951512","68655560865940475272913734901279328475","207265947380454347599482176595463824743","256959771098379164805822368299934345457"],"threshold":0.9},"id":"CVE-2026-85090-c3198889","signature_type":"Line","signature_version":"v1","source":"https://github.com/freerdp/freerdp/commit/d0a481cb74ab57bca24791fe11b89464a332d3f1","target":{"file":"libfreerdp/primitives/neon/prim_YUV_neon.c"}}],"vanir_signatures_modified":"2026-10-28T11:18:52Z"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N"}]}