Red Hat Security Advisory: freerdp security update
Multiple heap and global buffer overflow vulnerabilities have been identified in FreeRDP, a free implementation of the Remote Desktop Protocol client. These vulnerabilities affect the freerdp package in Red Hat Enterprise Linux 8.8 and related update services. Red Hat has released security updates addressing these issues. The vulnerabilities are rated with a high security impact by Red Hat Product Security. No CVSS scores are provided in the advisory, but the issues involve memory corruption risks.
AI Analysis
Technical Summary
The advisory addresses three security flaws in FreeRDP: two heap-buffer-overflow vulnerabilities (CVE-2026-22855 and CVE-2026-22859) and one global-buffer-overflow vulnerability (CVE-2026-22858). These vulnerabilities could potentially lead to memory corruption. The affected software is the freerdp client used to connect to RDP servers, including Microsoft Windows machines, xrdp, and VirtualBox. Red Hat has issued updated freerdp packages for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Telecommunications Update Service to remediate these issues.
Potential Impact
The vulnerabilities involve buffer overflows in FreeRDP, which may allow an attacker to cause memory corruption. This can lead to potential denial of service or other impacts depending on exploitation. Red Hat rates the security impact as Important (high), but no confirmed exploits in the wild are reported. The issues affect the freerdp client used in remote desktop scenarios.
Mitigation Recommendations
Red Hat has released updated freerdp packages (version 2.2.0-12.el8_8.2) that fix the identified buffer overflow vulnerabilities. Users of affected Red Hat Enterprise Linux 8.8 systems should apply these updates promptly. For detailed update instructions, refer to Red Hat's official article: https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official patches.
Red Hat Security Advisory: freerdp security update
Description
Multiple heap and global buffer overflow vulnerabilities have been identified in FreeRDP, a free implementation of the Remote Desktop Protocol client. These vulnerabilities affect the freerdp package in Red Hat Enterprise Linux 8.8 and related update services. Red Hat has released security updates addressing these issues. The vulnerabilities are rated with a high security impact by Red Hat Product Security. No CVSS scores are provided in the advisory, but the issues involve memory corruption risks.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The advisory addresses three security flaws in FreeRDP: two heap-buffer-overflow vulnerabilities (CVE-2026-22855 and CVE-2026-22859) and one global-buffer-overflow vulnerability (CVE-2026-22858). These vulnerabilities could potentially lead to memory corruption. The affected software is the freerdp client used to connect to RDP servers, including Microsoft Windows machines, xrdp, and VirtualBox. Red Hat has issued updated freerdp packages for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Telecommunications Update Service to remediate these issues.
Potential Impact
The vulnerabilities involve buffer overflows in FreeRDP, which may allow an attacker to cause memory corruption. This can lead to potential denial of service or other impacts depending on exploitation. Red Hat rates the security impact as Important (high), but no confirmed exploits in the wild are reported. The issues affect the freerdp client used in remote desktop scenarios.
Mitigation Recommendations
Red Hat has released updated freerdp packages (version 2.2.0-12.el8_8.2) that fix the identified buffer overflow vulnerabilities. Users of affected Red Hat Enterprise Linux 8.8 systems should apply these updates promptly. For detailed update instructions, refer to Red Hat's official article: https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:4440
- Cve Count
- 3
- Additional Cves
- ["CVE-2026-22858","CVE-2026-22859"]
Threat ID: 6a27e9938dd33fbd8516a505
Added to database: 06/09/2026, 10:23:15 UTC
Last enriched: 08/18/2026, 13:57:43 UTC
Last updated: 09/13/2026, 10:01:29 UTC
Views: 61
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