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 leading to denial of service and potential code execution from a malicious server. (CVE-2026-23530) * freerdp: FreeRDP: Denial of Service and potential code execution via use-after-free vulnerability (CVE-2026-23884) * freerdp: FreeRDP: Arbitrary code execution and denial of service via malicious server (CVE-2026-23883) * freerdp: FreeRDP: Heap buffer overflow leads to denial of service and potential code execution (CVE-2026-23533) * freerdp: FreeRDP: Heap buffer overflow via crafted RDPGFX surface updates leads to denial of service and potential code execution. (CVE-2026-23531) * freerdp: FreeRDP: Arbitrary code execution and denial of service via client-side heap buffer overflow (CVE-2026-23534) * freerdp: FreeRDP: Denial of Service and potential code execution via client-side heap buffer overflow (CVE-2026-23532) 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 several critical memory corruption vulnerabilities including heap buffer overflows and use-after-free conditions (CVE-2026-23530, CVE-2026-23531, CVE-2026-23532, CVE-2026-23533, CVE-2026-23534, CVE-2026-23883, CVE-2026-23884). These flaws allow a malicious RDP server to cause denial of service or potentially execute arbitrary code on the client system. The vulnerabilities affect the xfreerdp client component and are present in FreeRDP versions shipped with Red Hat Enterprise Linux 10.0 Extended Update Support and associated CodeReady Linux Builder variants. Red Hat Product Security has released updated packages to remediate these issues as detailed in advisory RHSA-2026:2952.
Potential Impact
Successful exploitation of these vulnerabilities can lead to denial of service conditions or arbitrary code execution on the client system running the vulnerable FreeRDP versions. This could allow an attacker controlling a malicious RDP server to compromise the client machine during an RDP session. The impact is significant given the potential for remote code execution and service disruption.
Mitigation Recommendations
Red Hat has released updated FreeRDP packages that address these vulnerabilities. Users of Red Hat Enterprise Linux 10.0 Extended Update Support and related CodeReady Linux Builder products should apply the security update as described in Red Hat advisory RHSA-2026:2952. Detailed update instructions are available at https://access.redhat.com/articles/11258. No alternative mitigations are specified; applying the official patch is the recommended remediation.
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 leading to denial of service and potential code execution from a malicious server. (CVE-2026-23530) * freerdp: FreeRDP: Denial of Service and potential code execution via use-after-free vulnerability (CVE-2026-23884) * freerdp: FreeRDP: Arbitrary code execution and denial of service via malicious server (CVE-2026-23883) * freerdp: FreeRDP: Heap buffer overflow leads to denial of service and potential code execution (CVE-2026-23533) * freerdp: FreeRDP: Heap buffer overflow via crafted RDPGFX surface updates leads to denial of service and potential code execution. (CVE-2026-23531) * freerdp: FreeRDP: Arbitrary code execution and denial of service via client-side heap buffer overflow (CVE-2026-23534) * freerdp: FreeRDP: Denial of Service and potential code execution via client-side heap buffer overflow (CVE-2026-23532) 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.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
FreeRDP contains several critical memory corruption vulnerabilities including heap buffer overflows and use-after-free conditions (CVE-2026-23530, CVE-2026-23531, CVE-2026-23532, CVE-2026-23533, CVE-2026-23534, CVE-2026-23883, CVE-2026-23884). These flaws allow a malicious RDP server to cause denial of service or potentially execute arbitrary code on the client system. The vulnerabilities affect the xfreerdp client component and are present in FreeRDP versions shipped with Red Hat Enterprise Linux 10.0 Extended Update Support and associated CodeReady Linux Builder variants. Red Hat Product Security has released updated packages to remediate these issues as detailed in advisory RHSA-2026:2952.
Potential Impact
Successful exploitation of these vulnerabilities can lead to denial of service conditions or arbitrary code execution on the client system running the vulnerable FreeRDP versions. This could allow an attacker controlling a malicious RDP server to compromise the client machine during an RDP session. The impact is significant given the potential for remote code execution and service disruption.
Mitigation Recommendations
Red Hat has released updated FreeRDP packages that address these vulnerabilities. Users of Red Hat Enterprise Linux 10.0 Extended Update Support and related CodeReady Linux Builder products should apply the security update as described in Red Hat advisory RHSA-2026:2952. Detailed update instructions are available at https://access.redhat.com/articles/11258. No alternative mitigations are specified; applying the official patch is the recommended remediation.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:2952
- Cve Count
- 7
- Additional Cves
- ["CVE-2026-23531","CVE-2026-23532","CVE-2026-23533","CVE-2026-23534","CVE-2026-23883","CVE-2026-23884"]
Threat ID: 6a27e9938dd33fbd8516ab3f
Added to database: 06/09/2026, 10:23:15 UTC
Last enriched: 06/25/2026, 23:20:38 UTC
Last updated: 09/10/2026, 19:36:52 UTC
Views: 150
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