libX11 -- multiple vulnerabilities

X.Org reports: Multiple issues have been found in the X client library implementations published by X.Org for which we are releasing security fixes for. CVE-2026-88806: Out-of-bounds write vulnerability in libX11's XKB X Keyboard Extension action parser CVE-2026-94283: Out-of-bounds read...

Updated libx11 package fixes security vulnerabilities

libX11 XkbGetMap Reply Heap-based Buffer Overflow. CVE-2026-88806 Out-of-bounds read vulnerability in libX11's XIM X Input Method attribute parser. CVE-2026-94283 Out-of-bounds read vulnerability in libX11's XIM trigger-keyregistration parser.registration parser. CVE-2026-94284 Out-of-bounds read...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : libx11 vulnerabilities (USN-8913-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8913-1 advisory. Adam Bedard discovered that libx11 incorrectly handled certain XKB keyboard map...

libX11: libX11: Denial of Service via out-of-bounds read in XIM attribute parser

A flaw was found in libX11. An out-of-bounds read vulnerability in the X Input Method XIM attribute parser allows a malicious X server to cause a Denial of Service DoS by crashing connected client applications when processing specially crafted attributes...

libX11: libX11: Denial of Service via out-of-bounds read in XIM trigger-key registration parser

A flaw was found in libX11. An out-of-bounds read vulnerability exists in the X Input Method XIM trigger-key registration parser. A malicious X server can exploit this flaw by sending specially crafted trigger-key registration data to connected client applications, causing them to crash and...

SUSE-SU-2026:24118-1 Security update for libX11

This update for libX11 fixes the following issues: - CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM X Input Method attribute parser bsc1281653. - CVE-2026-94284: out-of-bounds read vulnerability in libX11's XIM trigger-keyregistration parser.registration parser bsc1281657. -...

SUSE SLES15: libX11-6 / libX11-6-32bit / libX11-data / libX11-devel / etc (SUSE-SU-2026:4500-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4500-1 advisory. - CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow bsc1280910. - CVE-2026-94283: out-of-bounds read vulnerability in...

SUSE SLES15: libX11-6 / libX11-6-32bit / libX11-data / libX11-devel / etc (SUSE-SU-2026:4501-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4501-1 advisory. - CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow bsc1280910. - CVE-2026-94283: out-of-bounds read vulnerability in...

SUSE SLED15: libX11-6 / libX11-6-32bit / libX11-data / libX11-devel / etc (SUSE-SU-2026:4502-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4502-1 advisory. - CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow bsc1280910. - CVE-2026-94283: out-of-bounds read...

Security update for libX11

This update for libX11 fixes the following issues: CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow bsc1280910. CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM X Input Method attribute parser bsc1281653. CVE-2026-94284: out-of-bounds read vulnerability in libX11's XIM...

SUSE-SU-2026:4502-1 Security update for libX11

This update for libX11 fixes the following issues: - CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow bsc1280910. - CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM X Input Method attribute parser bsc1281653. - CVE-2026-94284: out-of-bounds read vulnerability in libX11's...

Security update for libX11

This update for libX11 fixes the following issues: CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow bsc1280910. CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM X Input Method attribute parser bsc1281653. CVE-2026-94284: out-of-bounds read vulnerability in libX11's XIM...

SUSE-SU-2026:4501-1 Security update for libX11

This update for libX11 fixes the following issues: - CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow bsc1280910. - CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM X Input Method attribute parser bsc1281653. - CVE-2026-94284: out-of-bounds read vulnerability in libX11's...

Security update for libX11

This update for libX11 fixes the following issues: CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow bsc1280910. CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM X Input Method attribute parser bsc1281653. CVE-2026-94284: out-of-bounds read vulnerability in libX11's XIM...

SUSE-SU-2026:4500-1 Security update for libX11

This update for libX11 fixes the following issues: - CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow bsc1280910. - CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM X Input Method attribute parser bsc1281653. - CVE-2026-94284: out-of-bounds read vulnerability in libX11's...

SUSE SLES12: libX11-6 / libX11-6-32bit / libX11-data / libX11-devel / etc (SUSE-SU-2026:4410-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4410-1 advisory. - CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow bsc1280910. - CVE-2026-94283: out-of-bounds read vulnerability in...

Security update for libX11

This update for libX11 fixes the following issues: CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow bsc1280910. CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM X Input Method attribute parser bsc1281653. CVE-2026-94284: out-of-bounds read vulnerability in libX11's XIM...

SUSE-SU-2026:4410-1 Security update for libX11

This update for libX11 fixes the following issues: - CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow bsc1280910. - CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM X Input Method attribute parser bsc1281653. - CVE-2026-94284: out-of-bounds read vulnerability in libX11's...

CVE-2026-94283

An out-of-bounds read vulnerability in libX11's XIM X Input Method attribute parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients...

CVE-2026-94284

An out-of-bounds read vulnerability in libX11's XIM trigger-key registration parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients...