High severity7.3NVD Advisory· Published Jun 17, 2025· Updated Apr 15, 2026
CVE-2025-49179
CVE-2025-49179
Description
A flaw was found in the X Record extension. The RecordSanityCheckRegisterClients function does not check for an integer overflow when computing request length, which allows a client to bypass length checks.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
45- osv-coords45 versionspkg:rpm/almalinux/tigervncpkg:rpm/almalinux/tigervnc-iconspkg:rpm/almalinux/tigervnc-licensepkg:rpm/almalinux/tigervnc-selinuxpkg:rpm/almalinux/tigervnc-serverpkg:rpm/almalinux/tigervnc-server-minimalpkg:rpm/almalinux/tigervnc-server-modulepkg:rpm/almalinux/xorg-x11-server-commonpkg:rpm/almalinux/xorg-x11-server-develpkg:rpm/almalinux/xorg-x11-server-sourcepkg:rpm/almalinux/xorg-x11-server-Xdmxpkg:rpm/almalinux/xorg-x11-server-Xephyrpkg:rpm/almalinux/xorg-x11-server-Xnestpkg:rpm/almalinux/xorg-x11-server-Xorgpkg:rpm/almalinux/xorg-x11-server-Xvfbpkg: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%20Enterprise%20Storage%207.1pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg: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%2012%20SP5-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg: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%20SP3pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Manager%20Proxy%204.3pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Manager%20Server%204.3pkg:rpm/suse/xwayland&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg:rpm/suse/xwayland&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7
< 1.14.1-8.el9_6+ 44 more
- (no CPE)range: < 1.14.1-8.el9_6
- (no CPE)range: < 1.14.1-8.el9_6
- (no CPE)range: < 1.14.1-8.el9_6
- (no CPE)range: < 1.14.1-8.el9_6
- (no CPE)range: < 1.14.1-8.el9_6
- (no CPE)range: < 1.14.1-8.el9_6
- (no CPE)range: < 1.14.1-8.el9_6
- (no CPE)range: < 1.20.11-31.el9_6
- (no CPE)range: < 1.20.11-31.el9_6
- (no CPE)range: < 1.20.11-31.el9_6
- (no CPE)range: < 1.20.11-31.el9_6
- (no CPE)range: < 1.20.11-31.el9_6
- (no CPE)range: < 1.20.11-31.el9_6
- (no CPE)range: < 1.20.11-31.el9_6
- (no CPE)range: < 1.20.11-31.el9_6
- (no CPE)range: < 23.2.7-4.el9_6
- (no CPE)range: < 23.2.7-4.el9_6
- (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: < 1.20.3-150200.22.5.105.1
- (no CPE)range: < 1.20.3-150200.22.5.105.1
- (no CPE)range: < 1.20.3-150400.38.57.1
- (no CPE)range: < 1.20.3-150400.38.57.1
- (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: < 1.19.6-10.83.1
- (no CPE)range: < 1.20.3-150200.22.5.105.1
- (no CPE)range: < 1.20.3-150400.38.57.1
- (no CPE)range: < 21.1.4-150500.7.35.1
- (no CPE)range: < 1.20.3-150200.22.5.105.1
- (no CPE)range: < 1.20.3-150400.38.57.1
- (no CPE)range: < 21.1.4-150500.7.35.1
- (no CPE)range: < 1.19.6-10.83.1
- (no CPE)range: < 1.20.3-150200.22.5.105.1
- (no CPE)range: < 1.20.3-150200.22.5.105.1
- (no CPE)range: < 1.20.3-150400.38.57.1
- (no CPE)range: < 1.20.3-150400.38.57.1
- (no CPE)range: < 24.1.1-150600.5.12.1
- (no CPE)range: < 24.1.5-150700.3.3.1
Patches
Vulnerability mechanics
References
33- access.redhat.com/errata/RHSA-2025:10258nvd
- access.redhat.com/errata/RHSA-2025:10342nvd
- access.redhat.com/errata/RHSA-2025:10343nvd
- access.redhat.com/errata/RHSA-2025:10344nvd
- access.redhat.com/errata/RHSA-2025:10346nvd
- access.redhat.com/errata/RHSA-2025:10347nvd
- access.redhat.com/errata/RHSA-2025:10348nvd
- access.redhat.com/errata/RHSA-2025:10349nvd
- access.redhat.com/errata/RHSA-2025:10350nvd
- access.redhat.com/errata/RHSA-2025:10351nvd
- access.redhat.com/errata/RHSA-2025:10352nvd
- access.redhat.com/errata/RHSA-2025:10355nvd
- access.redhat.com/errata/RHSA-2025:10356nvd
- access.redhat.com/errata/RHSA-2025:10360nvd
- access.redhat.com/errata/RHSA-2025:10370nvd
- access.redhat.com/errata/RHSA-2025:10374nvd
- access.redhat.com/errata/RHSA-2025:10375nvd
- access.redhat.com/errata/RHSA-2025:10376nvd
- access.redhat.com/errata/RHSA-2025:10377nvd
- access.redhat.com/errata/RHSA-2025:10378nvd
- access.redhat.com/errata/RHSA-2025:10381nvd
- access.redhat.com/errata/RHSA-2025:10410nvd
- access.redhat.com/errata/RHSA-2025:9303nvd
- access.redhat.com/errata/RHSA-2025:9304nvd
- access.redhat.com/errata/RHSA-2025:9305nvd
- access.redhat.com/errata/RHSA-2025:9306nvd
- access.redhat.com/errata/RHSA-2025:9392nvd
- access.redhat.com/errata/RHSA-2025:9964nvd
- access.redhat.com/security/cve/CVE-2025-49179nvd
- bugzilla.redhat.com/show_bug.cginvd
- gitlab.freedesktop.org/xorg/xserver/-/commit/2bde9ca49a8fd9a1e6697d5e7ef837870d66f5d4nvd
- lists.debian.org/debian-lts-announce/2025/06/msg00028.htmlnvd
- www.x.org/wiki/Development/Security/nvd
News mentions
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