17 matches found
xorg-x11-server-Xwayland security update
An update is available for xorg-x11-server-Xwayland. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Xwayland is an X server for running X clients under Wayland...
RLSA-2026:38487 Important: xorg-x11-server security update
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 Fixes: xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow CVE-2026-55999 For more details about the...
RLSA-2026:38488 Important: xorg-x11-server-Xwayland security update
Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow CVE-2026-55999 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to th...
RockyLinux 9 : xorg-x11-server-Xwayland (RLSA-2026:38490)
The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:38490 advisory. xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow CVE-2026-55999 X.org: xorg-x11-server: GLX contextTags Use-After-Free in...
RockyLinux 9 : xorg-x11-server (RLSA-2026:38486)
The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:38486 advisory. xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow CVE-2026-55999 Tenable has extracted the preceding description block directly from the RockyLin...
RockyLinux 8 : xorg-x11-server-Xwayland (RLSA-2026:38488)
The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:38488 advisory. xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow CVE-2026-55999 Tenable has extracted the preceding description block directly from the RockyLin...
AlmaLinux 9 : xorg-x11-server (ALSA-2026:38486)
The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:38486 advisory. xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow CVE-2026-55999 Tenable has extracted the preceding description block directly from the AlmaLinux...
Important: Red Hat Security Advisory: xorg-x11-server security update
An update for xorg-x11-server is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabilit...
Important: Red Hat Security Advisory: xorg-x11-server-Xwayland security update
An update for xorg-x11-server-Xwayland is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...
ALSA-2026:38487 Important: xorg-x11-server security update
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 Fixes: xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow CVE-2026-55999 For more details about the...
ALSA-2026:38488 Important: xorg-x11-server-Xwayland security update
Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow CVE-2026-55999 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to th...
RHEL 8 : xorg-x11-server (RHSA-2026:38487)
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:38487 advisory. X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user...
AlmaLinux 8 : xorg-x11-server (ALSA-2026:38487)
The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:38487 advisory. xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow CVE-2026-55999 Tenable has extracted the preceding description block directly from the AlmaLinux...
SUSE SLED15 / SLES15 Security Update : xwayland (SUSE-SU-2026:2787-1)
The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2787-1 advisory. This update for xwayland fixes the following issues - CVE-2026-55999: glamor Font Atlas Heap Buffer Overflow...
CVE-2026-55999
creationtimestamp| type| source ---|---|--- 2026-07-08 10:17:14+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3mq4vbsaacp2g 2026-07-08 16:45:33+00:00| seen| https://www.acn.gov.it/portale/w/rilevate-vulnerabilita-in-componenti-x.org 2026-07-09 00:01:49+00:00| seen|...
DEBIAN-CVE-2026-55999
Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks...
CVE-2026-55999
Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks...