CVE-2026-34003 Xorg: xwayland: x.org x server: information exposure and denial of service via out-of-bounds memory access

A flaw was found in the X.Org X server's XKB key types request validation. A local attacker could send a specially crafted request to the X server, leading to an out-of-bounds memory access vulnerability. This could result in the disclosure of sensitive information or cause the server to crash,...

CVE-2026-34003

The CVE-2026-34003 issue is a local, out-of-bounds/ buffer-overflow in the XKB key types validation of the X.Org X server (Xwayland included in affected stacks). Public reports enumerate XKB Buffer overflow in CheckKeyTypes() as the root cause, leading to possible information disclosure and Denia...

CVE-2026-34003

A flaw was found in the X.Org X server's XKB key types request validation. A local attacker could send a specially crafted request to the X server, leading to an out-of-bounds memory access vulnerability. This could result in the disclosure of sensitive information or cause the server to crash,...

CVE-2026-34003

A flaw was found in the X.Org X server's XKB key types request validation. A local attacker could send a specially crafted request to the X server, leading to an out-of-bounds memory access vulnerability. This could result in the disclosure of sensitive information or cause the server to crash,...

CVE-2026-33999

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

CVE-2026-33999

CVE-2026-33999 affects the X.Org X server, specifically an integer underflow in the XKB compatibility map handling, allowing a local or remote X11 server user to trigger a buffer read overrun. The result is memory-safety violations and potential DoS or other impacts as described in the connected ...

CVE-2026-33999 Xorg: xwayland: x.org x server: denial of service via integer underflow in xkb compatibility map handling

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

CVE-2026-33999

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

X.Org X Server 缓冲区错误漏洞

The X.Org X Server is an X Window system display server developed by the X.Org Foundation. The X.Org X Server has a buffer error vulnerability, which stems from an out-of-bounds memory access during the validation of XKB key type requests. This vulnerability could allow local attackers to send...

Security update for xwayland (important)

openSUSE security update: security update for xwayland ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20560-1 Rating: important References: bsc1260922 bsc1260923 bsc1260924 bsc1260925 bsc1260926 Cross-References: CVE-2026-33999 CVE-2026-34000...

openSUSE 15 Security Update : xwayland (SUSE-SU-2026:1329-1)

The remote openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1329-1 advisory. - CVE-2026-33999: XKB integer underflow in XkbSetCompatMap bsc1260922. - CVE-2026-34000: XKB out-of-bounds read in CheckSetGeom bsc1260923. -...

SUSE SLES15 Security Update : xorg-x11-server (SUSE-SU-2026:1335-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1335-1 advisory. - CVE-2026-33999: XKB Integer Underflow in XkbSetCompatMap bsc1260922. - CVE-2026-34000: XKB Out-of-bounds Read in CheckSetGeom...

Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: CVE-2026-33999: XKB integer underflow in XkbSetCompatMap bsc1260922. CVE-2026-34000: XKB out-of-bounds read in CheckSetGeom bsc1260923. CVE-2026-34001: XSYNC use-after-free in miSyncTriggerFence bsc1260924. CVE-2026-34002: XKB...

SUSE-SU-2026:1333-1 Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: - CVE-2026-33999: XKB integer underflow in XkbSetCompatMap bsc1260922. - CVE-2026-34000: XKB out-of-bounds read in CheckSetGeom bsc1260923. - CVE-2026-34001: XSYNC use-after-free in miSyncTriggerFence bsc1260924. - CVE-2026-34002: XKB...

SUSE-SU-2026:1332-1 Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: - CVE-2026-33999: XKB integer underflow in XkbSetCompatMap bsc1260922. - CVE-2026-34000: XKB out-of-bounds read in CheckSetGeom bsc1260923. - CVE-2026-34001: XSYNC use-after-free in miSyncTriggerFence bsc1260924. - CVE-2026-34002: XKB...

Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: CVE-2026-33999: XKB integer underflow in XkbSetCompatMap bsc1260922. CVE-2026-34000: XKB out-of-bounds read in CheckSetGeom bsc1260923. CVE-2026-34001: XSYNC use-after-free in miSyncTriggerFence bsc1260924. CVE-2026-34002: XKB...

Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: CVE-2026-33999: XKB integer underflow in XkbSetCompatMap bsc1260922. CVE-2026-34000: XKB out-of-bounds read in CheckSetGeom bsc1260923. CVE-2026-34001: XSYNC use-after-free in miSyncTriggerFence bsc1260924. CVE-2026-34002: XKB...

Security update for xwayland

This update for xwayland fixes the following issues: CVE-2026-33999: XKB integer underflow in XkbSetCompatMap bsc1260922. CVE-2026-34000: XKB out-of-bounds read in CheckSetGeom bsc1260923. CVE-2026-34001: XSYNC use-after-free in miSyncTriggerFence bsc1260924. CVE-2026-34002: XKB out-of-bounds rea...

Security update for xwayland

This update for xwayland fixes the following issues: CVE-2026-33999: XKB integer underflow in XkbSetCompatMap bsc1260922. CVE-2026-34000: XKB out-of-bounds read in CheckSetGeom bsc1260923. CVE-2026-34001: XSYNC use-after-free in miSyncTriggerFence bsc1260924. CVE-2026-34002: XKB out-of-bounds rea...

SUSE-SU-2026:1328-1 Security update for xwayland

This update for xwayland fixes the following issues: - CVE-2026-33999: XKB integer underflow in XkbSetCompatMap bsc1260922. - CVE-2026-34000: XKB out-of-bounds read in CheckSetGeom bsc1260923. - CVE-2026-34001: XSYNC use-after-free in miSyncTriggerFence bsc1260924. - CVE-2026-34002: XKB...