Red Hat Security Advisory: freerdp security update
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Security Fix(es): * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22855) * freerdp: FreeRDP global-buffer-overflow (CVE-2026-22858) * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22859) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
FreeRDP contains multiple buffer overflow vulnerabilities, specifically heap-buffer-overflow (CVE-2026-22855 and CVE-2026-22859) and a global-buffer-overflow (CVE-2026-22858). These vulnerabilities could potentially lead to memory corruption issues. Red Hat has released updated freerdp packages for Red Hat Enterprise Linux 9.6 Extended Update Support and related distributions to fix these issues. The advisory references the specific bugzilla entries and provides updated package versions (freerdp-2.11.7-1.el9_6.2) that contain the fixes.
Potential Impact
The vulnerabilities involve heap and global buffer overflows in FreeRDP, which could lead to memory corruption. While the exact impact details and CVSS scores are not provided, buffer overflows generally pose risks such as application crashes or potential code execution depending on exploitation. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated freerdp packages that address these vulnerabilities. Users of affected Red Hat Enterprise Linux 9.6 Extended Update Support and related variants should apply the provided security updates promptly. Detailed update instructions are available in the Red Hat advisory (RHSA-2026:3975) and associated article https://access.redhat.com/articles/11258. Since official fixes are available, applying these updates is the recommended mitigation.
Red Hat Security Advisory: freerdp security update
Description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Security Fix(es): * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22855) * freerdp: FreeRDP global-buffer-overflow (CVE-2026-22858) * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22859) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
FreeRDP contains multiple buffer overflow vulnerabilities, specifically heap-buffer-overflow (CVE-2026-22855 and CVE-2026-22859) and a global-buffer-overflow (CVE-2026-22858). These vulnerabilities could potentially lead to memory corruption issues. Red Hat has released updated freerdp packages for Red Hat Enterprise Linux 9.6 Extended Update Support and related distributions to fix these issues. The advisory references the specific bugzilla entries and provides updated package versions (freerdp-2.11.7-1.el9_6.2) that contain the fixes.
Potential Impact
The vulnerabilities involve heap and global buffer overflows in FreeRDP, which could lead to memory corruption. While the exact impact details and CVSS scores are not provided, buffer overflows generally pose risks such as application crashes or potential code execution depending on exploitation. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated freerdp packages that address these vulnerabilities. Users of affected Red Hat Enterprise Linux 9.6 Extended Update Support and related variants should apply the provided security updates promptly. Detailed update instructions are available in the Red Hat advisory (RHSA-2026:3975) and associated article https://access.redhat.com/articles/11258. Since official fixes are available, applying these updates is the recommended mitigation.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:3975
- Cve Count
- 3
- Additional Cves
- ["CVE-2026-22858","CVE-2026-22859"]
- Cvss Version
- null
Threat ID: 6a27e9938dd33fbd8516a53f
Added to database: 6/9/2026, 10:23:15 AM
Last enriched: 6/9/2026, 10:37:59 AM
Last updated: 6/10/2026, 6:58:01 AM
Views: 4
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