Bug 2447379 (CVE-2026-29775) - CVE-2026-29775 freerdp: FreeRDP has a heap-buffer-overflow in bitmap_cache_put via OOB cacheId
Summary: CVE-2026-29775 freerdp: FreeRDP has a heap-buffer-overflow in bitmap_cache_pu...
Keywords:
Status: NEW
Alias: CVE-2026-29775
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
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Depends On: 2447426 2447427 2447423
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-03-13 18:04 UTC by OSIDB Bzimport
Modified: 2026-03-13 19:46 UTC (History)
0 users

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Description OSIDB Bzimport 2026-03-13 18:04:15 UTC 
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a client-side heap out-of-bounds read/write occurs in FreeRDP's bitmap cache subsystem due to an off-by-one boundary check in bitmap_cache_put. A malicious server can send a CACHE_BITMAP_ORDER (Rev1) with cacheId equal to maxCells, bypassing the guard and accessing cells[] one element past the allocated array. This vulnerability is fixed in 3.24.0.
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