Description
A flaw was found in the XFIXES extension. The XFixesSetClientDisconnectMode handler does not validate the request length, allowing a client to read unintended memory from previous requests.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
X.Org xwayland
Default version status: unaffected
0 to < 24.1.7affected
Red Hat Red Hat Enterprise Linux 10
Default version status: affected
0:24.1.5-4.el10_0 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:1.20.11-31.el9_6 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:23.2.7-4.el9_6 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
Default version status: affected
0:22.1.9-6.el9_4 to < *unaffected
Red Hat Red Hat Enterprise Linux 6
Default version status: affected
Red Hat Red Hat Enterprise Linux 6
Default version status: affected
Red Hat Red Hat Enterprise Linux 7
Default version status: affected
Red Hat Red Hat Enterprise Linux 7
Default version status: affected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
References
- https://access.redhat.com/errata/RHSA-2025:10258 ↗
- https://access.redhat.com/errata/RHSA-2025:9303 ↗
- https://access.redhat.com/errata/RHSA-2025:9304 ↗
- https://access.redhat.com/security/cve/CVE-2025-49177 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2369955 ↗
- https://gitlab.freedesktop.org/xorg/xserver/-/commit/ab02fb96b1c701c3bb47617d965522c34befa6af ↗
- https://www.x.org/wiki/Development/Security/ ↗