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 (RDP). These vulnerabilities affect the xfreerdp client used to connect to various RDP servers. Red Hat has issued a security advisory for Red Hat Enterprise Linux 9.6 Extended Update Support and related products, providing updated packages to address these issues.
AI Analysis
Technical Summary
The vulnerabilities include three distinct buffer overflow issues in FreeRDP: CVE-2026-22855 and CVE-2026-22859 are heap-buffer-overflow flaws, while CVE-2026-22858 is a global-buffer-overflow flaw. These vulnerabilities could potentially lead to memory corruption. Red Hat has released updated freerdp packages for multiple architectures and product variants within Red Hat Enterprise Linux 9.6 Extended Update Support to remediate these issues. The advisory references the CVE pages for detailed impact and scoring information, though no CVSS scores are provided in this data.
Potential Impact
The identified vulnerabilities involve heap and global buffer overflows in FreeRDP, which could allow an attacker to cause memory corruption. The exact impact details and exploitation scenarios are not provided in the advisory. No known exploits in the wild have been reported at this time. The vulnerabilities are rated as having an important security impact by Red Hat.
Mitigation Recommendations
Red Hat has issued official security updates for FreeRDP in Red Hat Enterprise Linux 9.6 Extended Update Support and related products. Users should apply the provided updates to remediate these vulnerabilities. For detailed update instructions and package information, refer to the Red Hat advisory RHSA-2026:3975 and the linked 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 (RDP). These vulnerabilities affect the xfreerdp client used to connect to various RDP servers. Red Hat has issued a security advisory for Red Hat Enterprise Linux 9.6 Extended Update Support and related products, providing updated packages to address these issues.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerabilities include three distinct buffer overflow issues in FreeRDP: CVE-2026-22855 and CVE-2026-22859 are heap-buffer-overflow flaws, while CVE-2026-22858 is a global-buffer-overflow flaw. These vulnerabilities could potentially lead to memory corruption. Red Hat has released updated freerdp packages for multiple architectures and product variants within Red Hat Enterprise Linux 9.6 Extended Update Support to remediate these issues. The advisory references the CVE pages for detailed impact and scoring information, though no CVSS scores are provided in this data.
Potential Impact
The identified vulnerabilities involve heap and global buffer overflows in FreeRDP, which could allow an attacker to cause memory corruption. The exact impact details and exploitation scenarios are not provided in the advisory. No known exploits in the wild have been reported at this time. The vulnerabilities are rated as having an important security impact by Red Hat.
Mitigation Recommendations
Red Hat has issued official security updates for FreeRDP in Red Hat Enterprise Linux 9.6 Extended Update Support and related products. Users should apply the provided updates to remediate these vulnerabilities. For detailed update instructions and package information, refer to the Red Hat advisory RHSA-2026:3975 and the linked 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-2026:3975
- Cve Count
- 3
- Additional Cves
- ["CVE-2026-22858","CVE-2026-22859"]
Threat ID: 6a27e9938dd33fbd8516a53f
Added to database: 06/09/2026, 10:23:15 UTC
Last enriched: 08/18/2026, 14:00:06 UTC
Last updated: 09/14/2026, 10:01:29 UTC
Views: 52
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.