Red Hat Security Advisory: freerdp security update
Multiple security vulnerabilities have been identified in FreeRDP, a free implementation of the Remote Desktop Protocol (RDP) client used in Red Hat Enterprise Linux 8.6. These include heap-use-after-free, heap-buffer-overflow, NULL pointer dereference, denial of service, and arbitrary code execution issues. The vulnerabilities affect the xfreerdp client and related components, potentially allowing denial of service or arbitrary code execution via crafted RDP server messages. Red Hat has issued an important security advisory with updates addressing these issues for Red Hat Enterprise Linux 8.6 variants.
AI Analysis
Technical Summary
FreeRDP, used in Red Hat Enterprise Linux 8.6, contains multiple vulnerabilities including heap-use-after-free (CVE-2026-22856, CVE-2026-24491, CVE-2026-24675, CVE-2026-24684), heap-buffer-overflow (CVE-2026-22852, CVE-2026-22854, CVE-2026-24679), NULL pointer dereference (CVE-2026-23948), denial of service via buffer overflow and use-after-free (CVE-2026-23732, CVE-2026-24676), and arbitrary code execution (CVE-2026-31806) through crafted RDP server messages. These vulnerabilities impact the xfreerdp client connecting to RDP servers such as Microsoft Windows, xrdp, and VirtualBox. Red Hat has released updated packages addressing these issues in their advisory RHSA-2026:10951 for Red Hat Enterprise Linux 8.6 variants.
Potential Impact
The vulnerabilities collectively allow for potential denial of service conditions and arbitrary code execution on systems running vulnerable versions of FreeRDP. Heap-use-after-free and heap-buffer-overflow issues can lead to memory corruption, crashes, or code execution. The NULL pointer dereference can cause application crashes. The arbitrary code execution vulnerability allows an attacker controlling an RDP server to execute code on the client machine. These issues pose a significant security risk to systems using affected FreeRDP versions.
Mitigation Recommendations
Red Hat has released updated FreeRDP packages for Red Hat Enterprise Linux 8.6 variants that address these vulnerabilities. Users should apply the security update described in Red Hat advisory RHSA-2026:10951 promptly. For detailed update instructions, refer to 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 security vulnerabilities have been identified in FreeRDP, a free implementation of the Remote Desktop Protocol (RDP) client used in Red Hat Enterprise Linux 8.6. These include heap-use-after-free, heap-buffer-overflow, NULL pointer dereference, denial of service, and arbitrary code execution issues. The vulnerabilities affect the xfreerdp client and related components, potentially allowing denial of service or arbitrary code execution via crafted RDP server messages. Red Hat has issued an important security advisory with updates addressing these issues for Red Hat Enterprise Linux 8.6 variants.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
FreeRDP, used in Red Hat Enterprise Linux 8.6, contains multiple vulnerabilities including heap-use-after-free (CVE-2026-22856, CVE-2026-24491, CVE-2026-24675, CVE-2026-24684), heap-buffer-overflow (CVE-2026-22852, CVE-2026-22854, CVE-2026-24679), NULL pointer dereference (CVE-2026-23948), denial of service via buffer overflow and use-after-free (CVE-2026-23732, CVE-2026-24676), and arbitrary code execution (CVE-2026-31806) through crafted RDP server messages. These vulnerabilities impact the xfreerdp client connecting to RDP servers such as Microsoft Windows, xrdp, and VirtualBox. Red Hat has released updated packages addressing these issues in their advisory RHSA-2026:10951 for Red Hat Enterprise Linux 8.6 variants.
Potential Impact
The vulnerabilities collectively allow for potential denial of service conditions and arbitrary code execution on systems running vulnerable versions of FreeRDP. Heap-use-after-free and heap-buffer-overflow issues can lead to memory corruption, crashes, or code execution. The NULL pointer dereference can cause application crashes. The arbitrary code execution vulnerability allows an attacker controlling an RDP server to execute code on the client machine. These issues pose a significant security risk to systems using affected FreeRDP versions.
Mitigation Recommendations
Red Hat has released updated FreeRDP packages for Red Hat Enterprise Linux 8.6 variants that address these vulnerabilities. Users should apply the security update described in Red Hat advisory RHSA-2026:10951 promptly. For detailed update instructions, refer to 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-2026:10951
- Cve Count
- 11
- Additional Cves
- ["CVE-2026-22854","CVE-2026-22856","CVE-2026-23732","CVE-2026-23948","CVE-2026-24491","CVE-2026-24675","CVE-2026-24676","CVE-2026-24679","CVE-2026-24684","CVE-2026-31806"]
- Cvss Version
- null
Threat ID: 6a27e9918dd33fbd8516928a
Added to database: 06/09/2026, 10:23:13 UTC
Last enriched: 06/28/2026, 00:52:56 UTC
Last updated: 07/31/2026, 19:24:46 UTC
Views: 62
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