Medium severity6.1NVD Advisory· Published Jun 17, 2025· Updated Apr 15, 2026
CVE-2025-49177
CVE-2025-49177
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
16- osv-coords16 versionspkg:rpm/almalinux/xorg-x11-server-Xwaylandpkg:rpm/almalinux/xorg-x11-server-Xwayland-develpkg:rpm/opensuse/xorg-x11-server&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/xorg-x11-server&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/xwayland&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/xwayland&distro=openSUSE%20Tumbleweedpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/xwayland&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg:rpm/suse/xwayland&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7
< 24.1.5-4.el10_0+ 15 more
- (no CPE)range: < 24.1.5-4.el10_0
- (no CPE)range: < 24.1.5-4.el10_0
- (no CPE)range: < 21.1.11-150600.5.12.1
- (no CPE)range: < 21.1.15-6.1
- (no CPE)range: < 24.1.1-150600.5.12.1
- (no CPE)range: < 24.1.8-1.1
- (no CPE)range: < 21.1.4-150500.7.35.1
- (no CPE)range: < 21.1.4-150500.7.35.1
- (no CPE)range: < 21.1.11-150600.5.12.1
- (no CPE)range: < 21.1.15-150700.5.3.1
- (no CPE)range: < 21.1.11-150600.5.12.1
- (no CPE)range: < 21.1.15-150700.5.3.1
- (no CPE)range: < 21.1.4-150500.7.35.1
- (no CPE)range: < 21.1.4-150500.7.35.1
- (no CPE)range: < 24.1.1-150600.5.12.1
- (no CPE)range: < 24.1.5-150700.3.3.1
Patches
Vulnerability mechanics
References
7- access.redhat.com/errata/RHSA-2025:10258nvd
- access.redhat.com/errata/RHSA-2025:9303nvd
- access.redhat.com/errata/RHSA-2025:9304nvd
- access.redhat.com/security/cve/CVE-2025-49177nvd
- bugzilla.redhat.com/show_bug.cginvd
- gitlab.freedesktop.org/xorg/xserver/-/commit/ab02fb96b1c701c3bb47617d965522c34befa6afnvd
- www.x.org/wiki/Development/Security/nvd
News mentions
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