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:
Whiteboard:
Depends On: 2447426 2447427 2447423
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-03-13 18:04 UTC by OSIDB Bzimport
Modified: 2026-05-11 16:18 UTC (History)
0 users

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

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:16014 0 None None None 2026-05-11 16:15:28 UTC
Red Hat Product Errata RHSA-2026:16019 0 None None None 2026-05-11 16:18:31 UTC

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.
Comment 2 errata-xmlrpc 2026-05-11 16:15:27 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:16014 https://access.redhat.com/errata/RHSA-2026:16014
Comment 3 errata-xmlrpc 2026-05-11 16:18:30 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:16019 https://access.redhat.com/errata/RHSA-2026:16019
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