Astra Linux – Vulnerability in xwayland, xorg-server

A flaw was discovered in the X.Org X server. This vulnerability, an out-of-bounds read, affects the handling of XKB X Keyboard Extension modifier maps. An attacker with access to the X11 server can exploit this by sending a malformed request, causing the server to read beyond its intended memory...

Fedora 45 : libX11 (2026-0072911d9d)

The remote Fedora 45 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-0072911d9d advisory. xkb: Check the keysym range in XkbReadKeyActions CVE-2026-88806 Tenable has extracted the preceding description block directly from the Fedora security...

Rocky Linux 9.6 [TuxCare] Security Update: tigervnc / tigervnc-icons / tigervnc-license / tigervnc-selinux / etc (ALMALINUX9.6:CLSA-2026:1784103643)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784103643 advisory. - A flaw was found in the X.Org X server. This vulnerability, an out-of-bounds read, affects the XKB X Keyboard Extension modifier map...

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...

AlmaLinux 9.2 [TuxCare] Security Update: tigervnc / tigervnc-icons / tigervnc-license / tigervnc-selinux / etc (ALMALINUX9.2:CLSA-2026:1786486767)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1786486767 advisory. - A flaw was found in the X.Org X server. This vulnerability, an out-of-bounds read, affects the XKB X Keyboard Extension modifier map...

AlmaLinux 9.6 [TuxCare] Security Update: xorg-x11-server-Xwayland / xorg-x11-server-Xwayland-devel (ALMALINUX9.6:CLSA-2026:1790330410)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1790330410 advisory. - A flaw was found in the X.Org X server. This out-of-bounds read vulnerability in the XKB geometry processing, specifically within the...

Rocky Linux 9.6 [TuxCare] Security Update: xorg-x11-server-Xwayland / xorg-x11-server-Xwayland-devel (ALMALINUX9.6:CLSA-2026:1790330410)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1790330410 advisory. - A flaw was found in the X.Org X server. This out-of-bounds read vulnerability in the XKB geometry processing, specifically within the...

Rocky Linux 9 [CIQ] Security Update: xorg-x11-server-Xdmx / xorg-x11-server-Xdmx-debuginfo / etc Multiple Vulnerabilities (crlsa-2022_8221)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20228221 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: xorg-x11-server-Xdmx / xorg-x11-server-Xdmx-debuginfo / etc Multiple Vulnerabilities (crlsa-2022_7583)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20227583 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...

AlmaLinux 9.6 [TuxCare] Security Update: tigervnc / tigervnc-icons / tigervnc-license / tigervnc-selinux / etc (ALMALINUX9.6:CLSA-2026:1779497454)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779497454 advisory. - A flaw was found in the X.Org X server. This out-of-bounds read vulnerability in the XKB geometry processing, specifically within the...

AlmaLinux 9.2 [TuxCare] Security Update: tigervnc / tigervnc-icons / tigervnc-license / tigervnc-selinux / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1777885651)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1777885651 advisory. - A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling,...

Astra Linux – Vulnerability in xwayland, xorg-server

A flaw was discovered in the X.Org X server. This integer underflow vulnerability, specifically related to the handling of the XKB compatibility map, allows an attacker with local or remote X11 server access to trigger a buffer read overflow. This can lead to memory safety violations and...

Astra Linux – Vulnerability in xorg-server

A flaw was discovered in the Xorg-x11-server. A out-of-bounds access issue may occur in the ProcXkbSetGeometry function due to improper validation of the request length...

Astra Linux – Vulnerability in xorg-server

A flaw was discovered in xorg-server. Changing the actions of XKB buttons, such as moving between the touchpad and the mouse, can lead to out-of-bounds memory reads and writes. This may allow for local privilege escalation or potential remote code execution, especially in cases where X11 forwardi...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: xorg-x11-server (UTSA-2022-000902)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2022-000902 advisory. A vulnerability, which was classified as problematic, has been found in X.org Server. Affected by this issue is the function ProcXkbGetKbdByName of the file xkb/xkb....

[SECURITY] [DLA 4738-1] xorg-server security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4738-1 [email protected] https://www.debian.org/lts/security/ Arnaud Rebillout August 13, 2026 https://wiki.debian.org/LTS -...

EulerOS 2.0 SP11 : xorg-x11-server (EulerOS-SA-2026-3110)

According to the versions of the xorg-x11-server packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows ...

EulerOS 2.0 SP11 : xorg-x11-server (EulerOS-SA-2026-3164)

According to the versions of the xorg-x11-server packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows ...

EulerOS 2.0 SP13 : xorg-x11-server (EulerOS-SA-2026-3006)

According to the versions of the xorg-x11-server packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in the X.Org X server. This use-after-free vulnerability occurs in the XSYNC fence triggering logic, specifically within...

xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in XKB SetMap request via mapWidths indexing

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. XkbSetMapChecks declares a fixed-size stack buffer mapWidths256 indexed by key type index. The helper function CheckKeyTypes writes to this buffer at a client-controlled offset, allowing a stack buffer overflow. This...