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 global-buffer-overflow (CVE-2026-22858). These vulnerabilities could potentially lead to memory corruption. The affected product is FreeRDP as packaged in Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat has released updated packages (freerdp-2.1.1-5.el7_9.2) to fix these issues. The advisory rates the impact as Important (high severity), but no CVSS score is provided. There are no known exploits in the wild at this time.
Potential Impact
The vulnerabilities involve heap and global buffer overflows in FreeRDP, which could lead to memory corruption and potentially allow an attacker to cause a denial of service or execute arbitrary code. The impact is rated as Important by Red Hat Product Security. No active exploitation is currently known.
Mitigation Recommendations
Red Hat has released updated freerdp packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support to address these vulnerabilities. Users should apply the security update RHSA-2026:4471 by upgrading to freerdp-2.1.1-5.el7_9.2 or later. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
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, including heap-buffer-overflow (CVE-2026-22855 and CVE-2026-22859) and global-buffer-overflow (CVE-2026-22858). These vulnerabilities could potentially lead to memory corruption. The affected product is FreeRDP as packaged in Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat has released updated packages (freerdp-2.1.1-5.el7_9.2) to fix these issues. The advisory rates the impact as Important (high severity), but no CVSS score is provided. There are no known exploits in the wild at this time.
Potential Impact
The vulnerabilities involve heap and global buffer overflows in FreeRDP, which could lead to memory corruption and potentially allow an attacker to cause a denial of service or execute arbitrary code. The impact is rated as Important by Red Hat Product Security. No active exploitation is currently known.
Mitigation Recommendations
Red Hat has released updated freerdp packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support to address these vulnerabilities. Users should apply the security update RHSA-2026:4471 by upgrading to freerdp-2.1.1-5.el7_9.2 or later. Detailed update instructions are available at 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-2026:4471
- Cve Count
- 3
- Additional Cves
- ["CVE-2026-22858","CVE-2026-22859"]
- Cvss Version
- null
Threat ID: 6a27e9928dd33fbd8516a20d
Added to database: 6/9/2026, 10:23:14 AM
Last enriched: 6/9/2026, 10:36:52 AM
Last updated: 6/10/2026, 7:02:59 AM
Views: 4
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