Bug 2453218 (CVE-2026-33982)

Summary: CVE-2026-33982 FreeRDP: FreeRDP: Information disclosure and denial of service via heap-buffer-overflow read
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in FreeRDP, a free implementation of the Remote Desktop Protocol. This vulnerability, a heap-buffer-overflow read, exists in the `winpr_aligned_offset_recalloc()` function. A local attacker could exploit this flaw, with user interaction, to read sensitive information from memory, leading to information disclosure, or cause the application to crash, resulting in a denial of service.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2453234, 2453236, 2453235    
Bug Blocks:    

Description OSIDB Bzimport 2026-03-30 22:01:44 UTC
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, there is a heap-buffer-overflow READ vulnerability at 24 bytes before the allocation, in winpr_aligned_offset_recalloc(). This issue has been patched in version 3.24.2.

Comment 2 errata-xmlrpc 2026-05-11 16:15:32 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 2026-05-19 16:08:59 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:19142 https://access.redhat.com/errata/RHSA-2026:19142

Comment 4 errata-xmlrpc 2026-05-26 04:54:39 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:20605 https://access.redhat.com/errata/RHSA-2026:20605