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 three distinct buffer overflow vulnerabilities: two heap-buffer-overflows (CVE-2026-22855 and CVE-2026-22859) and one global-buffer-overflow (CVE-2026-22858). These vulnerabilities could potentially allow an attacker to cause memory corruption when using the xfreerdp client. Red Hat Product Security has released updated packages for Red Hat Enterprise Linux 9.0 on architectures including x86_64, ppc64le, aarch64, and s390x to remediate these issues. The advisory references the CVE entries for further technical details but does not provide a CVSS score. The update is classified as important by Red Hat.
Potential Impact
The identified heap and global buffer overflow vulnerabilities in FreeRDP could lead to memory corruption, which may be exploitable to cause application crashes or potentially execute arbitrary code. The impact is rated as important by Red Hat, indicating a high security concern. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated FreeRDP packages that fix these vulnerabilities. Users of affected Red Hat Enterprise Linux 9.0 systems should apply the security update RHSA-2026:4489 promptly to remediate these issues. Detailed update instructions are available in the Red Hat advisory. Since this is not a cloud service, remediation requires applying the vendor-provided patches. Patch status is confirmed 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 three distinct buffer overflow vulnerabilities: two heap-buffer-overflows (CVE-2026-22855 and CVE-2026-22859) and one global-buffer-overflow (CVE-2026-22858). These vulnerabilities could potentially allow an attacker to cause memory corruption when using the xfreerdp client. Red Hat Product Security has released updated packages for Red Hat Enterprise Linux 9.0 on architectures including x86_64, ppc64le, aarch64, and s390x to remediate these issues. The advisory references the CVE entries for further technical details but does not provide a CVSS score. The update is classified as important by Red Hat.
Potential Impact
The identified heap and global buffer overflow vulnerabilities in FreeRDP could lead to memory corruption, which may be exploitable to cause application crashes or potentially execute arbitrary code. The impact is rated as important by Red Hat, indicating a high security concern. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated FreeRDP packages that fix these vulnerabilities. Users of affected Red Hat Enterprise Linux 9.0 systems should apply the security update RHSA-2026:4489 promptly to remediate these issues. Detailed update instructions are available in the Red Hat advisory. Since this is not a cloud service, remediation requires applying the vendor-provided patches. Patch status is confirmed 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-2026:4489
- Cve Count
- 3
- Additional Cves
- ["CVE-2026-22858","CVE-2026-22859"]
- Cvss Version
- null
Threat ID: 6a27e9928dd33fbd8516a205
Added to database: 6/9/2026, 10:23:14 AM
Last enriched: 6/9/2026, 10:36:39 AM
Last updated: 6/10/2026, 4:59:26 AM
Views: 2
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