{"id":"CVE-2026-111382","title":"FreeRDP before 3.32.0 Heap Out-of-Bounds Write in AVC444 YUV444 Combine","summary":"FreeRDP before 3.32.0 contains a client-side heap out-of-bounds write vulnerability in general_LumaToYUV444 and general_ChromaV2ToYUV444 that allows malicious RDP servers to corrupt client memory. Attackers can send RDPGFX AVC444 or AVC4…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-787"],"vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP < 3.32.0"],"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T01:17:51.334Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111382","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f4pf-pgp4-f2r3","label":"GitHub Security Advisory (GHSA-f4pf-pgp4-f2r3)"},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.0-heap-out-of-bounds-write-in-avc444-yuv444-combine","label":"VulnCheck Advisory: FreeRDP before 3.32.0 Heap Out-of-Bounds Write in AVC444 YUV444 Combine"}],"tags":["cve.org"],"ingestedAt":"2026-10-16T01:55:57.991Z","slug":"CVE-2026-111382","body":"## Overview\n\nFreeRDP before 3.32.0 contains a client-side heap out-of-bounds write vulnerability in general_LumaToYUV444 and general_ChromaV2ToYUV444 that allows malicious RDP servers to corrupt client memory. Attackers can send RDPGFX AVC444 or AVC444v2 frames with odd-height region rects ending at surface height to write past U/V planes, enabling heap corruption and potential code execution.\n\n## Affected\n\n- `FreeRDP < 3.32.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}