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 including heap-buffer-overflow (CVE-2026-22855 and CVE-2026-22859) and a global-buffer-overflow (CVE-2026-22858). These vulnerabilities could potentially allow an attacker to cause memory corruption. Red Hat Product Security has rated the security impact as Important and released updated packages for affected Red Hat Enterprise Linux 9.6 Extended Update Support variants and CodeReady Linux Builder. The advisory references fixes for these CVEs and provides updated package versions to remediate the issues.
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, such vulnerabilities typically risk application crashes or potential code execution if exploited. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated freerdp packages for Red Hat Enterprise Linux 9.6 Extended Update Support and related product variants to address these vulnerabilities. Users should apply the security updates as detailed in Red Hat advisory RHSA-2026:3975. For update instructions, refer to https://access.redhat.com/articles/11258. Patch status is confirmed as an official fix available from Red Hat.
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.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
FreeRDP contains multiple buffer overflow vulnerabilities including heap-buffer-overflow (CVE-2026-22855 and CVE-2026-22859) and a global-buffer-overflow (CVE-2026-22858). These vulnerabilities could potentially allow an attacker to cause memory corruption. Red Hat Product Security has rated the security impact as Important and released updated packages for affected Red Hat Enterprise Linux 9.6 Extended Update Support variants and CodeReady Linux Builder. The advisory references fixes for these CVEs and provides updated package versions to remediate the issues.
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, such vulnerabilities typically risk application crashes or potential code execution if exploited. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated freerdp packages for Red Hat Enterprise Linux 9.6 Extended Update Support and related product variants to address these vulnerabilities. Users should apply the security updates as detailed in Red Hat advisory RHSA-2026:3975. For update instructions, refer to https://access.redhat.com/articles/11258. Patch status is confirmed as an official fix available from Red Hat.
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: 06/09/2026, 10:23:15 UTC
Last enriched: 06/25/2026, 23:16:54 UTC
Last updated: 07/31/2026, 19:24:46 UTC
Views: 33
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