Bug 2430887 (CVE-2026-23531)
| Summary: | CVE-2026-23531 freerdp: FreeRDP: Heap buffer overflow via crafted RDPGFX surface updates leads to denial of service and potential code execution. | ||
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| Product: | [Other] Security Response | Reporter: | OSIDB Bzimport <bzimport> |
| Component: | vulnerability | Assignee: | Product Security DevOps Team <prodsec-dev> |
| Status: | NEW --- | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | unspecified | Keywords: | Security |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | --- | |
| Doc Text: |
A flaw was found in FreeRDP. A malicious server can exploit an out-of-bounds read/write vulnerability in the ClearCodec component by sending crafted RDPGFX surface updates. This can trigger a client-side heap buffer overflow, leading to a crash (Denial of Service (DoS)) and potential heap corruption with a risk of arbitrary code execution. For this vulnerability to be exploited, a client must connect to a maliciously-configured server.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 2430904, 2430906, 2430908, 2430905, 2430907 | ||
| Bug Blocks: | |||
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Description
OSIDB Bzimport
2026-01-19 18:02:17 UTC
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2026:2048 https://access.redhat.com/errata/RHSA-2026:2048 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2026:2081 https://access.redhat.com/errata/RHSA-2026:2081 This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2026:2222 https://access.redhat.com/errata/RHSA-2026:2222 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Extended Lifecycle Support Via RHSA-2026:2714 https://access.redhat.com/errata/RHSA-2026:2714 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.4 Extended Update Support Via RHSA-2026:2736 https://access.redhat.com/errata/RHSA-2026:2736 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Via RHSA-2026:2770 https://access.redhat.com/errata/RHSA-2026:2770 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Via RHSA-2026:2824 https://access.redhat.com/errata/RHSA-2026:2824 This issue has been addressed in the following products: Red Hat Enterprise Linux 10.0 Extended Update Support Via RHSA-2026:2952 https://access.redhat.com/errata/RHSA-2026:2952 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Via RHSA-2026:3038 https://access.redhat.com/errata/RHSA-2026:3038 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Advanced Update Support Via RHSA-2026:3039 https://access.redhat.com/errata/RHSA-2026:3039 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Red Hat Enterprise Linux 8.6 Telecommunications Update Service Via RHSA-2026:3036 https://access.redhat.com/errata/RHSA-2026:3036 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Red Hat Enterprise Linux 8.8 Telecommunications Update Service Via RHSA-2026:3041 https://access.redhat.com/errata/RHSA-2026:3041 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.6 Extended Update Support Via RHSA-2026:3037 https://access.redhat.com/errata/RHSA-2026:3037 |