ALSA-2025:9305
ALSA-2025:9305 · Important: xorg-x11-server and xorg-x11-server-Xwayland security update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. Security Fix(es): * xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Out-of-Bounds Read in X Rendering Extension Animated Cursors (CVE-2025-49175) * xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Integer Overflow in Big Requests Extension (CVE-2025-49176) * xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Unprocessed Client Request Due to Bytes to Ignore (CVE-2025-49178) * xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Integer overflow in X Record extension (CVE-2025-49179) * xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Integer Overflow in X Resize, Rotate and Reflect (RandR) Extension (CVE-2025-49180) 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.
Fix available
- Published
- Updated
Stack: system
Affected products and versions
xorg-x11-server-xdmx AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 1.20.11-26.el8_10
Update to 1.20.11-26.el8_10
xorg-x11-server-xephyr AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 1.20.11-26.el8_10
Update to 1.20.11-26.el8_10
xorg-x11-server-xnest AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 1.20.11-26.el8_10
Update to 1.20.11-26.el8_10
xorg-x11-server-xorg AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 1.20.11-26.el8_10
Update to 1.20.11-26.el8_10
xorg-x11-server-xvfb AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 1.20.11-26.el8_10
Update to 1.20.11-26.el8_10
xorg-x11-server-xwayland AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 21.1.3-18.el8_10
Update to 21.1.3-18.el8_10
xorg-x11-server-common AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 1.20.11-26.el8_10
Update to 1.20.11-26.el8_10
xorg-x11-server-devel AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 1.20.11-26.el8_10
Update to 1.20.11-26.el8_10
xorg-x11-server-source AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 1.20.11-26.el8_10
Update to 1.20.11-26.el8_10
Original sources
- https://access.redhat.com/errata/RHSA-2025:9305
- https://access.redhat.com/security/cve/CVE-2025-49175
- https://access.redhat.com/security/cve/CVE-2025-49176
- https://access.redhat.com/security/cve/CVE-2025-49178
- https://access.redhat.com/security/cve/CVE-2025-49179
- https://access.redhat.com/security/cve/CVE-2025-49180
- https://bugzilla.redhat.com/2369947
- https://bugzilla.redhat.com/2369954
- https://bugzilla.redhat.com/2369977
- https://bugzilla.redhat.com/2369978
- https://bugzilla.redhat.com/2369981
- https://errata.almalinux.org/8/ALSA-2025-9305.html
- https://osv.dev/vulnerability/ALSA-2025:9305