[El-errata] ELSA-2026-91366 Important: Oracle Linux 10 libX11 security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2026-91366

http://linux.oracle.com/errata/ELSA-2026-91366.html

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

x86_64:
libX11-1.8.10-1.el10_2.1.x86_64.rpm
libX11-common-1.8.10-1.el10_2.1.noarch.rpm
libX11-devel-1.8.10-1.el10_2.1.x86_64.rpm
libX11-xcb-1.8.10-1.el10_2.1.x86_64.rpm

aarch64:
libX11-1.8.10-1.el10_2.1.aarch64.rpm
libX11-common-1.8.10-1.el10_2.1.noarch.rpm
libX11-devel-1.8.10-1.el10_2.1.aarch64.rpm
libX11-xcb-1.8.10-1.el10_2.1.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol10/SRPMS-updates/libX11-1.8.10-1.el10_2.1.src.rpm

Related CVEs:

CVE-2026-88806




Description of changes:

[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