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 security flaws including heap buffer overflows and use-after-free vulnerabilities that can be triggered by a malicious RDP server. These vulnerabilities may allow denial of service or arbitrary code execution on the client system. The affected software is the xfreerdp client included in Red Hat Enterprise Linux 8 and its variants. Red Hat Product Security has issued an advisory (RHSA-2026:2081) detailing these issues and providing updated packages to remediate them. The vulnerabilities are tracked under CVE-2026-23530, CVE-2026-23531, CVE-2026-23532, CVE-2026-23533, CVE-2026-23534, CVE-2026-23883, and CVE-2026-23884.
Potential Impact
Successful exploitation of these vulnerabilities can cause denial of service or enable arbitrary code execution on the client system running FreeRDP. This could allow a malicious RDP server to compromise the client machine. The vulnerabilities affect multiple architectures supported by Red Hat Enterprise Linux 8, including x86_64, s390x, ppc64le, and aarch64.
Mitigation Recommendations
Red Hat has released updated freerdp packages that address these vulnerabilities. Users of Red Hat Enterprise Linux 8 and related distributions should apply the security update RHSA-2026:2081 promptly. For detailed instructions on applying the update, refer to https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official patch.
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 security flaws including heap buffer overflows and use-after-free vulnerabilities that can be triggered by a malicious RDP server. These vulnerabilities may allow denial of service or arbitrary code execution on the client system. The affected software is the xfreerdp client included in Red Hat Enterprise Linux 8 and its variants. Red Hat Product Security has issued an advisory (RHSA-2026:2081) detailing these issues and providing updated packages to remediate them. The vulnerabilities are tracked under CVE-2026-23530, CVE-2026-23531, CVE-2026-23532, CVE-2026-23533, CVE-2026-23534, CVE-2026-23883, and CVE-2026-23884.
Potential Impact
Successful exploitation of these vulnerabilities can cause denial of service or enable arbitrary code execution on the client system running FreeRDP. This could allow a malicious RDP server to compromise the client machine. The vulnerabilities affect multiple architectures supported by Red Hat Enterprise Linux 8, including x86_64, s390x, ppc64le, and aarch64.
Mitigation Recommendations
Red Hat has released updated freerdp packages that address these vulnerabilities. Users of Red Hat Enterprise Linux 8 and related distributions should apply the security update RHSA-2026:2081 promptly. For detailed instructions on applying the update, refer to https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official patch.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:2081
- Cve Count
- 7
- Additional Cves
- ["CVE-2026-23531","CVE-2026-23532","CVE-2026-23533","CVE-2026-23534","CVE-2026-23883","CVE-2026-23884"]
- Cvss Version
- null
Threat ID: 6a27e99e8dd33fbd8516c8a4
Added to database: 06/09/2026, 10:23:26 UTC
Last enriched: 06/25/2026, 23:38:16 UTC
Last updated: 07/26/2026, 04:10:14 UTC
Views: 91
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