{"id":"CVE-2026-111380","title":"FreeRDP 3.29.0 before 3.32.0 Heap Overflow via audin Apple Backends","summary":"FreeRDP from 3.29.0 before 3.32.0 contains an integer overflow in the Apple audin backends (audin_mac.m, audin_ios.m), which compute the audio queue buffer size as FramesPerPacket * 2 * nChannels in UINT32 arithmetic, bypassing the CVE-2…","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-190"],"vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP >= 3.29.0 < 3.32.0"],"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T01:17:48.329Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111380","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-72qv-gcph-rfwf","label":"GitHub Security Advisory (GHSA-72qv-gcph-rfwf)"},{"url":"https://www.vulncheck.com/advisories/freerdp-3.29.0-before-3.32.0-heap-overflow-via-audin-apple-backends","label":"VulnCheck Advisory: FreeRDP 3.29.0 before 3.32.0 Heap Overflow via audin Apple Backends"}],"tags":["cve.org"],"ingestedAt":"2026-10-16T01:55:57.992Z","slug":"CVE-2026-111380","body":"## Overview\n\nFreeRDP from 3.29.0 before 3.32.0 contains an integer overflow in the Apple audin backends (audin_mac.m, audin_ios.m), which compute the audio queue buffer size as FramesPerPacket * 2 * nChannels in UINT32 arithmetic, bypassing the CVE-2026-91962 fix. A malicious RDP server can send FramesPerPacket of 2^30 in the audin Open PDU to wrap the multiplication, causing undersized AudioQueueAllocateBuffer allocations and a heap out-of-bounds write in macOS and iOS clients.\n\n## Affected\n\n- `FreeRDP >= 3.29.0 < 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":[]}