5357 matches found
SUSE SLES12 Security Update : xorg-x11-server (SUSE-SU-2026:2792-1)
The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:2792-1 advisory. This update for xorg-x11-server fixes the following issue - CVE-2026-55999: missing bounds check in glamorfontget can lead to a heap buffer overflow wh...
Oracle Linux 7 : xorg-x11-server (ELSA-2026-20590)
The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-20590 advisory. - Security update for CVE-2026-33999 CVE-2026-34000 CVE-2026-34001 CVE-2026-34002 CVE-2026-34003 Orabug: 39440282 - Security update for CVE-2025-62229...
CVE-2026-56000
A flaw was found in the X.org X11 server, specifically within the GLX OpenGL Extension to the X Window System dispatch layer. A remote attacker can exploit this vulnerability by sending a series of crafted X11 requests. This can lead to a use-after-free condition, where the server attempts to wri...
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 10.0 Extended Update Support. 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...
Important: Red Hat Security Advisory: xorg-x11-server security update
An update for xorg-x11-server is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...
xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: use-after-free in SyncChangeCounter()
A use-after-free flaw was found in the X.Org X server and Xwayland in SyncChangeCounter. A client that sets up multiple SyncCounters can trigger a use-after-free when destroying those counters via a second client connection while changing those counters. This may be used to crash the server, or f...
xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in XKB key types due to unchecked shift levels
A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. The X server has multiple stack buffers sized XkbMaxShiftLevel XkbNumKbdGroups but CheckKeyTypes does not verify or clamp non-canonical key types to XkbMaxShiftLevel. A client can change key types to excessive shift...
RHSA-2026:36634 Red Hat Security Advisory: xorg-x11-server-Xwayland security update
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RHSA-2026:36632 Red Hat Security Advisory: xorg-x11-server-Xwayland security update
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RHSA-2026:36633 Red Hat Security Advisory: xorg-x11-server-Xwayland security update
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RHSA-2026:36087 Red Hat Security Advisory: xorg-x11-server security update
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RHSA-2026:36083 Red Hat Security Advisory: xorg-x11-server security update
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RHSA-2026:36085 Red Hat Security Advisory: xorg-x11-server security update
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xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: use-after-free in SyncChangeCounter()
A use-after-free flaw was found in the X.Org X server and Xwayland in SyncChangeCounter. A client that sets up multiple SyncCounters can trigger a use-after-free when destroying those counters via a second client connection while changing those counters. This may be used to crash the server, or f...
SUSE-SU-2026:2792-1 Security update for xorg-x11-server
This update for xorg-x11-server fixes the following issue - CVE-2026-55999: missing bounds check in glamorfontget can lead to a heap buffer overflow when a font loaded from a malicious PCF file is processed bsc1268893...
CVE-2026-56000 xorg-x11-server / xwayland GLX contextTags Use-After-Free in CommonMakeCurrent()
Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a Heap Use After Free, due to CommonMakeCurrent pointing into potentially reallocated memory...
CVE-2026-56000 xorg-x11-server / xwayland GLX contextTags Use-After-Free in CommonMakeCurrent()
Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a Heap Use After Free, due to CommonMakeCurrent pointing into potentially reallocated memory...
SUSE-SU-2026:2786-1 Security update for xorg-x11-server
This update for xorg-x11-server fixes the following issues - CVE-2026-55999: missing bounds check in glamorfontget can lead to a heap buffer overflow when a font loaded from a malicious PCF file is processed bsc1268893. - CVE-2026-56000: improper memory management in CommonMakeCurrent can lead to...
Important: Red Hat Security Advisory: xorg-x11-server security update
An update for xorg-x11-server is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. 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...
Important: Red Hat Security Advisory: xorg-x11-server security update
An update for xorg-x11-server is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. 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...