Bug 2570612 (CVE-2026-125394) - CVE-2026-125394 freerdp: FreeRDP: Information disclosure via stale brush cache use-after-free
Summary: CVE-2026-125394 freerdp: FreeRDP: Information disclosure via stale brush cach...
Keywords:
Status: NEW
Alias: CVE-2026-125394
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:
Whiteboard:
Depends On: 2572403 2572405
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-11-10 20:10 UTC by OSIDB Bzimport
Modified: 2026-11-12 13:55 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description OSIDB Bzimport 2026-11-10 20:10:29 UTC 
FreeRDP before 3.33.0 contains a heap use-after-free vulnerability in update_gdi_patblt(), update_gdi_polygon_cb() and update_gdi_mem3blt() that retain stale brush cache pointers. A malicious RDP server can resend CACHE_BRUSH to the same slot then send PATBLT, causing clients to read freed heap memory, disclosing data or crashing.
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