xorg: xmayland: Value overflow in XkbSetCompatMap()

A flaw was identified in the X.Org X server’s X Keyboard Xkb extension where improper bounds checking in the XkbSetCompatMap function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a cras...

Unity Linux 20.1060a / 20.1070a Security Update: tigervnc (UTSA-2025-990942)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990942 advisory. A flaw was identified in the X.Org X servers X Keyboard Xkb extension where improper bounds checking in the XkbSetCompatMap function can cause an unsigned short...

AlmaLinux 9 : xorg-x11-server (ALSA-2025:20961)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:20961 advisory. xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal...

xorg-x11-server security update

An update is available for xorg-x11-server. 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 X.Org is an open-source implementation of the X Window System. It...

RHEL 10 : xorg-x11-server-Xwayland (RHSA-2025:21035)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:21035 advisory. Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg: xmayland: Use-after-free in XPresentNotify structure...

Important: tigervnc security update

Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients...

Moderate: xorg-x11-server-Xwayland security update

Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal CVE-2025-62230 xorg: xmayland: Value overflow in XkbSetCompatMap...

AlmaLinux 10 : xorg-x11-server-Xwayland (ALSA-2025:19435)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:19435 advisory. xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal...

RockyLinux 10 : xorg-x11-server-Xwayland (RLSA-2025:19435)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:19435 advisory. xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal...

RLSA-2025:19432 Moderate: xorg-x11-server-Xwayland security update

Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal CVE-2025-62230 xorg: xmayland: Value overflow in XkbSetCompatMap...

SUSE SLES15 Security Update : xorg-x11-server (SUSE-SU-2025:3909-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:3909-1 advisory. - Fixed use-after-free in XPresentNotify structures creation CVE-2025-62229, bsc1251958 Fixed use-after-free in Xkb client resource...

AlmaLinux 9 : tigervnc (ALSA-2025:19489)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:19489 advisory. xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal...

AlmaLinux 8 : xorg-x11-server-Xwayland (ALSA-2025:19432)

The remote AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2025:19432 advisory. xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal...

MGASA-2025-0263 Updated x11-server, x11-server-xwayland & tigervnc packages fix security vulnerabilities

Use-after-free in XPresentNotify structures creation. CVE-2025-62229 Use-after-free in Xkb client resource removal. CVE-2025-62230 Value overflow in Xkb extension XkbSetCompatMap. CVE-2025-62231...

ALSA-2025:19909 Important: tigervnc security update

Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients...

RLSA-2025:19434 Moderate: 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: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland:...

ALSA-2025:19434 Moderate: 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: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland:...

RHEL 8 : xorg-x11-server (RHSA-2025:19434)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:19434 advisory. X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical us...

Xorg: xmayland: value overflow in xkbsetcompatmap()

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SUSE SLED15 / SLES15 / openSUSE 15 Security Update : xwayland (SUSE-SU-2025:3863-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:3863-1 advisory. - Fixed use-after-free in XPresentNotify structures creation CVE-2025-62229, bsc1251958 - Fixed...