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 across multiple architectures. Red Hat has issued an important security advisory with updates to address these issues. The vulnerabilities are tracked under CVE-2026-22855, CVE-2026-22858, and CVE-2026-22859. No CVSS scores are provided, but the issues are rated as having a high security impact. The advisory includes updated freerdp packages to remediate the vulnerabilities.
AI Analysis
Technical Summary
FreeRDP, an open-source RDP client used to connect to various RDP servers, contains multiple 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 lead to memory corruption. Red Hat has released updated freerdp packages for Red Hat Enterprise Linux 8 on several architectures including x86_64, s390x, ppc64le, and aarch64 to fix these issues. The advisory is identified as RHSA-2026:3334 and rates the security impact as Important. No known exploits in the wild have been reported at this time.
Potential Impact
The identified buffer overflow vulnerabilities in FreeRDP could allow an attacker to cause memory corruption, which might lead to crashes or potentially arbitrary code execution if exploited. The advisory rates the impact as Important (high severity). No active exploitation has been reported. The vulnerabilities affect multiple architectures of Red Hat Enterprise Linux 8 and related CodeReady Linux Builder variants.
Mitigation Recommendations
Red Hat has released updated freerdp packages that address these buffer overflow vulnerabilities. Users of affected Red Hat Enterprise Linux 8 systems should apply the security update described in advisory RHSA-2026:3334 promptly. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigation actions are indicated by the vendor advisory.
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 across multiple architectures. Red Hat has issued an important security advisory with updates to address these issues. The vulnerabilities are tracked under CVE-2026-22855, CVE-2026-22858, and CVE-2026-22859. No CVSS scores are provided, but the issues are rated as having a high security impact. The advisory includes updated freerdp packages to remediate the vulnerabilities.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
FreeRDP, an open-source RDP client used to connect to various RDP servers, contains multiple 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 lead to memory corruption. Red Hat has released updated freerdp packages for Red Hat Enterprise Linux 8 on several architectures including x86_64, s390x, ppc64le, and aarch64 to fix these issues. The advisory is identified as RHSA-2026:3334 and rates the security impact as Important. No known exploits in the wild have been reported at this time.
Potential Impact
The identified buffer overflow vulnerabilities in FreeRDP could allow an attacker to cause memory corruption, which might lead to crashes or potentially arbitrary code execution if exploited. The advisory rates the impact as Important (high severity). No active exploitation has been reported. The vulnerabilities affect multiple architectures of Red Hat Enterprise Linux 8 and related CodeReady Linux Builder variants.
Mitigation Recommendations
Red Hat has released updated freerdp packages that address these buffer overflow vulnerabilities. Users of affected Red Hat Enterprise Linux 8 systems should apply the security update described in advisory RHSA-2026:3334 promptly. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigation actions 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-2026:3334
- Cve Count
- 3
- Additional Cves
- ["CVE-2026-22858","CVE-2026-22859"]
Threat ID: 6a27e9938dd33fbd8516a7e6
Added to database: 06/09/2026, 10:23:15 UTC
Last enriched: 08/18/2026, 14:01:05 UTC
Last updated: 09/12/2026, 22:01:32 UTC
Views: 72
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