ELSA-2026-91366

ELSA-2026-91366 - libX11 security update

Type:SECURITY
Impact:IMPORTANT
Release Date:2026-10-27

Description


[1.8.10-1.1]
- CVE-2026-88806 libX11: libX11: Heap-based buffer overflow via malicious X server
X server
Resolves: https://issues.redhat.com/browse/RHEL-267123


Related CVEs


CVE-2026-88806

Updated Packages


Release/ArchitectureFilenamesha256Superseded By AdvisoryChannel Label
Oracle Linux 10 (aarch64) libX11-1.8.10-1.el10_2.1.src.rpmd7bbe23f65cc59ac5767c54fe742c383e18d9c7a94445b79ee91434e16ccf5fb-ol10_aarch64_appstream
libX11-1.8.10-1.el10_2.1.aarch64.rpm1dbc9daf165f38333848716ef15bbbdb28a8d19febf7c7a46913918c2fda9a05-ol10_aarch64_appstream
libX11-common-1.8.10-1.el10_2.1.noarch.rpm6e0a0742ce91c41b20e97a00104eea6f7d002e580e4d8424bc1466ada79f6287-ol10_aarch64_appstream
libX11-devel-1.8.10-1.el10_2.1.aarch64.rpma6b14d15a99c1e196cb5fab569168472335e2193d7b6dbf9f1426029f7a5b1b3-ol10_aarch64_appstream
libX11-xcb-1.8.10-1.el10_2.1.aarch64.rpmbd339761b56d512e8484b63efb1d3b0267645f355ba23c831a3ded3055ef4302-ol10_aarch64_appstream
Oracle Linux 10 (x86_64) libX11-1.8.10-1.el10_2.1.src.rpmd7bbe23f65cc59ac5767c54fe742c383e18d9c7a94445b79ee91434e16ccf5fb-ol10_x86_64_appstream
libX11-1.8.10-1.el10_2.1.x86_64.rpm6bd74dd14613c89ff829e715c2562ff714ad716cbe5aef85d5c8da2436421801-ol10_x86_64_appstream
libX11-common-1.8.10-1.el10_2.1.noarch.rpm6e0a0742ce91c41b20e97a00104eea6f7d002e580e4d8424bc1466ada79f6287-ol10_x86_64_appstream
libX11-devel-1.8.10-1.el10_2.1.x86_64.rpm85939f68f3e974bf0c6168dd5ad1d6ed7ff2392ebb831fc8b18141d1dd5e4a76-ol10_x86_64_appstream
libX11-xcb-1.8.10-1.el10_2.1.x86_64.rpmbc4ee05518e35d6ae74d4442ab07b15a8b7da422eaae7f1d2be270e6f19b98f9-ol10_x86_64_appstream



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