LibX11 Security Update — AlmaLinux 8 (ALSA-2026:89730)
The libX11 packages contain the core X11 protocol client library. Security Fix(es): * libX11: libX11: Heap-based buffer overflow via malicious X server (CVE-2026-88806) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to…
Type:
security
Severity:
important
Release date:
2026-10-26
Description:
The libX11 packages contain the core X11 protocol client library.
Security Fix(es):
* libX11: libX11: Heap-based buffer overflow via malicious X server (CVE-2026-88806)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
References:
Updated packages listed below:
| Architecture | Package | Checksum |
| aarch64 | libX11-devel-1.6.8-10.el8_10.aarch64.rpm | 2c8c68ef3c0bb63f2ce51a812a8c37031b8c03b1dee6b3fd3d3f9610d79c59a4 |
| aarch64 | libX11-xcb-1.6.8-10.el8_10.aarch64.rpm | 7677f7fc75e9cb78a918084307b542f5c5b80dc736bbd2d510f70e1f8dd10182 |
| aarch64 | libX11-1.6.8-10.el8_10.aarch64.rpm | 9e3f016f60737be3173e740c279bc6cb944f65e61a56b93ea8063cc937e43b82 |
| i686 | libX11-devel-1.6.8-10.el8_10.i686.rpm | 15d23ba5c61895daf4cdc19fba58c1cb55dcb7b78c224f10224b50fbaf4e28d2 |
| i686 | libX11-xcb-1.6.8-10.el8_10.i686.rpm | 4ddf86f973f4eb5549028bba52dd05cdea7afa6666dfbb3458deea75c421f942 |
| i686 | libX11-1.6.8-10.el8_10.i686.rpm | 5ae0750a1bb8195854afa25b6cabdd2fc2110e5163fce38e5505b7dd5b058354 |
| noarch | libX11-common-1.6.8-10.el8_10.noarch.rpm | 72b49ba2e40ffa8c69c85caedd7548e56570ac069700206b43e2809003c94721 |
| ppc64le | libX11-xcb-1.6.8-10.el8_10.ppc64le.rpm | b2e393af1bb153286d4af1c06ea8987d6fad2bd97d0e03ffe96925c67c681648 |
| ppc64le | libX11-devel-1.6.8-10.el8_10.ppc64le.rpm | de21948ede3a07e79a051067b87379c970141bd0780b35f92cdc71fa00cdc8dc |
| ppc64le | libX11-1.6.8-10.el8_10.ppc64le.rpm | e6ccad71acfe6502e642eb7c1a86a2bd81b0c00d4146bc4b5f0873014cfb5100 |
| s390x | libX11-devel-1.6.8-10.el8_10.s390x.rpm | 2a11b799af1e5c7d253dcdd0d375defae323a41c026e39e2d215d12aae5a5be4 |
| s390x | libX11-1.6.8-10.el8_10.s390x.rpm | 6cd2631743637267ca7848a7c776a71aa785a0d8156f5927045caabd4c3a1add |
| s390x | libX11-xcb-1.6.8-10.el8_10.s390x.rpm | 97869c05f861f80e02d554a6810e449580a597bb57df38545ff8926d600474ba |
| x86_64 | libX11-1.6.8-10.el8_10.x86_64.rpm | 546e4ebafdab665fc9db63c26e8c54ffae02a0660aa1109100c2e42f685807fa |
| x86_64 | libX11-xcb-1.6.8-10.el8_10.x86_64.rpm | 8e9e67f6cf4cdcb00b9a2da55df84bd434404aad9f2754b5ff909461af9ed1b1 |
| x86_64 | libX11-devel-1.6.8-10.el8_10.x86_64.rpm | d08a5f9152938db3fab27f9baac7ec7bb1daaee7e7c7bc0bfef8e3916f204104 |
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.
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