[ALSA-2026:91365] Important: libX11 security update
Type:
security
Severity:
important
Release date:
2026-10-29
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 libX11-1.8.12-1.el9_8.1.aarch64.rpm 18cf0202ea1c2bc525dd87fc8da92f57e2a6d7adde14ad3be804df91aae620ad
aarch64 libX11-devel-1.8.12-1.el9_8.1.aarch64.rpm 3cfe7e6ef83009031d7186119cdae915be274dbd301b89681b101c7e479d3a23
aarch64 libX11-xcb-1.8.12-1.el9_8.1.aarch64.rpm 6d60413adcc4ae9af1dbf468adf3a3b09a24f44828e68189f075c5976a5eed51
i686 libX11-xcb-1.8.12-1.el9_8.1.i686.rpm 1cc5c6da0697609d388331f5d197836604e2e658aa4a3aa09357280210e94641
i686 libX11-devel-1.8.12-1.el9_8.1.i686.rpm 56285c84d43ceb611fbfd6a272683bb40394a35de11fcd3ef0b7ce55cff4f1a3
i686 libX11-1.8.12-1.el9_8.1.i686.rpm 58893a61adb143995bf71afedce63863ea828bf6894d2f86400f0d0ffdd47cae
noarch libX11-common-1.8.12-1.el9_8.1.noarch.rpm 81e7b1dcc116108ff560a4f5671d3e41c946a74b64205efa095726c76fdd778d
ppc64le libX11-xcb-1.8.12-1.el9_8.1.ppc64le.rpm 25d5e32cd3eff931abaf27706fa4ebbf284817a7a642618b8a2edc3e8e5c74c8
ppc64le libX11-1.8.12-1.el9_8.1.ppc64le.rpm 2779f62df922ae5a079fbe68d58d8b9f23ef63815e8ba16cb2bf6f14508e279a
ppc64le libX11-devel-1.8.12-1.el9_8.1.ppc64le.rpm ba2a07a7d37883d666ed065128bb1ffa5990ab690d2de5f276c46b2ff03dd42c
s390x libX11-xcb-1.8.12-1.el9_8.1.s390x.rpm b1866eb50ba4d6c06b3c50e2599ef3de082829ba4a8cdafa4591f78464285f20
s390x libX11-devel-1.8.12-1.el9_8.1.s390x.rpm db55818e2eea5f6c51d7218fc02f11942a2fc6b2d88afcb01abed187ba831051
s390x libX11-1.8.12-1.el9_8.1.s390x.rpm ef58b01823d210451577455ce2842bd93c79e77959de53351031b23d7eba7f76
x86_64 libX11-1.8.12-1.el9_8.1.x86_64.rpm 1a110f8a00b15aac965b492b433d2ed45aa2162c392675613d007e29a8f0cebe
x86_64 libX11-xcb-1.8.12-1.el9_8.1.x86_64.rpm 3d31f133ec1698dc93b7b5a0562493702c24fe3be31ed31cb9b540365f731206
x86_64 libX11-devel-1.8.12-1.el9_8.1.x86_64.rpm f69ed2dba515f3f17867143d390b25f648b157b60aa20f961e379220408bb491
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.