Red Hat Security Advisory: freerdp security update
Multiple heap and global buffer overflow vulnerabilities and a use-after-free denial of service issue have been identified in FreeRDP, a free implementation of the Remote Desktop Protocol. These vulnerabilities affect the xfreerdp client used to connect to various RDP servers. The issues have been addressed in an update available for Red Hat Enterprise Linux 10.0 Extended Update Support. The vulnerabilities are rated as having an important security impact by Red Hat.
AI Analysis
Technical Summary
This advisory covers five security vulnerabilities in FreeRDP, including heap-buffer-overflow (CVE-2026-22853, CVE-2026-22855, CVE-2026-22859), global-buffer-overflow (CVE-2026-22858), and a use-after-free leading to denial of service (CVE-2026-24678). These flaws affect the FreeRDP xfreerdp client, which connects to RDP servers such as Microsoft Windows, xrdp, and VirtualBox. The vulnerabilities could lead to memory corruption and denial of service conditions. Red Hat has released an update for Red Hat Enterprise Linux 10.0 Extended Update Support to address these issues. No CVSS scores are provided in the advisory, and no known exploits in the wild have been reported.
Potential Impact
The vulnerabilities could allow an attacker to cause memory corruption through buffer overflows or trigger a denial of service via use-after-free in the FreeRDP client. This may impact the stability and security of systems using vulnerable versions of FreeRDP when connecting to RDP servers. No information about remote code execution or privilege escalation is provided. The severity is rated as important by Red Hat, indicating a high impact but not critical.
Mitigation Recommendations
Red Hat has released security updates for FreeRDP in Red Hat Enterprise Linux 10.0 Extended Update Support. Users should apply the provided updates to remediate these vulnerabilities. For detailed update instructions, refer to the Red Hat advisory RHSA-2026:4121 and the linked article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
Red Hat Security Advisory: freerdp security update
Description
Multiple heap and global buffer overflow vulnerabilities and a use-after-free denial of service issue have been identified in FreeRDP, a free implementation of the Remote Desktop Protocol. These vulnerabilities affect the xfreerdp client used to connect to various RDP servers. The issues have been addressed in an update available for Red Hat Enterprise Linux 10.0 Extended Update Support. The vulnerabilities are rated as having an important security impact by Red Hat.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers five security vulnerabilities in FreeRDP, including heap-buffer-overflow (CVE-2026-22853, CVE-2026-22855, CVE-2026-22859), global-buffer-overflow (CVE-2026-22858), and a use-after-free leading to denial of service (CVE-2026-24678). These flaws affect the FreeRDP xfreerdp client, which connects to RDP servers such as Microsoft Windows, xrdp, and VirtualBox. The vulnerabilities could lead to memory corruption and denial of service conditions. Red Hat has released an update for Red Hat Enterprise Linux 10.0 Extended Update Support to address these issues. No CVSS scores are provided in the advisory, and no known exploits in the wild have been reported.
Potential Impact
The vulnerabilities could allow an attacker to cause memory corruption through buffer overflows or trigger a denial of service via use-after-free in the FreeRDP client. This may impact the stability and security of systems using vulnerable versions of FreeRDP when connecting to RDP servers. No information about remote code execution or privilege escalation is provided. The severity is rated as important by Red Hat, indicating a high impact but not critical.
Mitigation Recommendations
Red Hat has released security updates for FreeRDP in Red Hat Enterprise Linux 10.0 Extended Update Support. Users should apply the provided updates to remediate these vulnerabilities. For detailed update instructions, refer to the Red Hat advisory RHSA-2026:4121 and the linked article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:4121
- Cve Count
- 5
- Additional Cves
- ["CVE-2026-22855","CVE-2026-22858","CVE-2026-22859","CVE-2026-24678"]
Threat ID: 6a27e9938dd33fbd8516a51a
Added to database: 06/09/2026, 10:23:15 UTC
Last enriched: 08/18/2026, 13:59:41 UTC
Last updated: 09/13/2026, 22:01:32 UTC
Views: 145
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