CVE-2026-93524

A flaw was found in xorg-x11-server. An authenticated local user can trigger an out-of-bounds heap memory read by sending specially crafted X Keyboard Extension XKB requests with inconsistent key range parameters. This flaw leads to information disclosure, allowing the user to read sensitive data...

CVE-2026-93520

A flaw was found in xorg-x11-server. In the X Keyboard Extension XKB, key name memory is allocated with an insufficient buffer size compared to the maximum supported range. An authenticated local client can exploit this flaw by sending requests that modify the keycode range, triggering a heap-bas...

CVE-2026-93515

A flaw was found in xorg-x11-server. A use-after-free vulnerability, where the application accesses memory after it has already been released, occurs in the Present extension because window notification entries are not properly unlinked before cleaning up window resources. An authenticated local ...

CVE-2026-93519

A flaw was found in xorg-x11-server. The server writes pointer barrier events into a fixed-size buffer without properly validating boundaries. An authenticated client can trigger this issue by configuring excessive pointer barriers and generating cursor motion events, causing a buffer overflow...

CVE-2026-93518

A flaw was found in xorg-x11-server. Due to an integer truncation issue during memory allocation calculations within the X Keyboard Extension XKB, the server allocates an undersized buffer when resizing key types. An authenticated local client can exploit this vulnerability by sending specially...

CVE-2026-93517

A flaw was found in xorg-x11-server. The GLX OpenGL Extension to the X Window System interface fails to verify that incoming data sizes do not exceed allocated buffer limits when handling large rendering requests. An authenticated local client can exploit this vulnerability by sending a specially...

CVE-2026-47563

A flaw was found in xorg-x11-drv-nvidia. A local user can trigger an invalid memory access NULL pointer dereference in the driver's kernel mode layer. A successful exploit could allow an attacker to execute arbitrary code with elevated system privileges, access sensitive information, or cause a...

Rocky Linux 10.0 [CIQ] Security Update: xorg-x11-server-Xwayland / xorg-x11-server-Xwayland-debuginfo / etc Multiple Vulnerabilities (crlsa-2025_19435)

The Rocky Linux 10.0 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202519435 advisory. xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal...

Rocky Linux 9 [CIQ] Security Update: xorg-x11-server-Xdmx / xorg-x11-server-Xdmx-debuginfo / etc Multiple Vulnerabilities (crlsa-2025_19433)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202519433 advisory. Please update This advisory is provided by Ctrl IQ, Inc for Rocky Linux systems. For more information about CIQ security practices, visit...

AlmaLinux 9.2 [TuxCare] Security Update: xorg-x11-server-Xwayland / xorg-x11-server-Xwayland-devel Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1763558418)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1763558418 advisory. - A flaw was found in xorg-server. Querying or changing XKB button actions such as moving from a touchpad to a mouse can result in...

Rocky Linux 10.2 [CIQ] Security Update: xorg-x11-server-Xwayland / xorg-x11-server-Xwayland-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_38489)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202638489 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...

Rocky Linux 8 [CIQ] Security Update: xorg-x11-server-Xwayland / xorg-x11-server-Xwayland-debuginfo / etc (crlsa-2026_38488)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202638488 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 CIQ securi...

Rocky Linux 8 [CIQ] Security Update: xorg-x11-server-Xwayland / xorg-x11-server-Xwayland-debuginfo / etc Multiple Vulnerabilities (crlsa-2025_19432)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202519432 advisory. xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal...

Rocky Linux 9 [CIQ] Security Update: xorg-x11-server-Xwayland / xorg-x11-server-Xwayland-debuginfo / etc Multiple Vulnerabilities (crlsa-2022_8222)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20228222 advisory. xorg-x11-server: X.Org Server ProcXkbSetGeometry out-of-bounds access CVE-2022-2319 xorg-x11-server: out-of-bounds access in ProcXkbSetDeviceInfo request...

Rocky Linux 8 [CIQ] Security Update: tigervnc / tigervnc-debuginfo / tigervnc-debugsource / etc Multiple Vulnerabilities (crlsa-2024_3261)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20243261 advisory. xorg-x11-server: Heap buffer overread/data leakage in ProcXIGetSelectedEvents CVE-2024-31080 xorg-x11-server: Heap buffer overread/data leakage in...

Rocky Linux 9 [CIQ] Security Update: xorg-x11-server-Xwayland / xorg-x11-server-Xwayland-debuginfo / etc Multiple Vulnerabilities (crlsa-2025_20960)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202520960 advisory. xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal...

CentOS Linux 7 [TuxCare] Security Update: xorg-x11-server-Xdmx / xorg-x11-server-Xephyr / etc Multiple Vulnerabilities (CENTOS7:CLSA-2025:1757501564)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2025:1757501564 advisory. Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number...

Rocky Linux 9 [CIQ] Security Update: tigervnc / tigervnc-debuginfo / tigervnc-debugsource / etc (crlsa-2023_1592)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20231592 advisory. xorg-x11-server: X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability CVE-2023-1393 Tenable has extracted the preceding description...

Rocky Linux 8 [CIQ] Security Update: tigervnc / tigervnc-debuginfo / tigervnc-debugsource / etc (crlsa-2023_0662)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20230662 advisory. xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation CVE-2023-0494 Tenable has extracted the preceding description block directly fro...

Rocky Linux 9 [CIQ] Security Update: xorg-x11-server-Xdmx / xorg-x11-server-Xdmx-debuginfo / etc Multiple Vulnerabilities (crlsa-2024_9122)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20249122 advisory. xorg-x11-server: Heap buffer overread/data leakage in ProcXIGetSelectedEvents CVE-2024-31080 xorg-x11-server: Heap buffer overread/data leakage in...