[ALSA-2026:38487] Important: xorg-x11-server security update
Type:
security
Severity:
important
Release date:
2026-07-13
Description:
X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. Security Fix(es): * xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow (CVE-2026-55999) 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 xorg-x11-server-Xorg-1.20.11-28.el8_10.3.aarch64.rpm 0ca07b98e4d4d9fd2ad72ccb659b748dd78606adcc01e1aa97bcaa5c9b8f69aa
aarch64 xorg-x11-server-common-1.20.11-28.el8_10.3.aarch64.rpm 3112b5abf6a0c05e51526f20bb1e531f407bd684c2e04435f9e5b3efdc378342
aarch64 xorg-x11-server-Xephyr-1.20.11-28.el8_10.3.aarch64.rpm 3c30bac4b33c96136140d3a473cdcf5a9d2679758f45e1f1221eb5e0149d2101
aarch64 xorg-x11-server-Xnest-1.20.11-28.el8_10.3.aarch64.rpm 3febc139b19bb54e2e2ef0f7383427828c61c42f2bbd4342aa90a6c7d7c75a1e
aarch64 xorg-x11-server-devel-1.20.11-28.el8_10.3.aarch64.rpm 772f2f7e8f6a1332b599c6f5880695729cb0b2b056e229552f235398402e0add
aarch64 xorg-x11-server-Xvfb-1.20.11-28.el8_10.3.aarch64.rpm a528afc134b17074fac40f4f9c09accea9bfd015f5228b7d42d706598b451a0f
aarch64 xorg-x11-server-Xdmx-1.20.11-28.el8_10.3.aarch64.rpm c61e9ff4b1593565145b827c1e8fafa4739507a007e323064eb84f1c7b8c574d
i686 xorg-x11-server-devel-1.20.11-28.el8_10.3.i686.rpm 7212b6953f9f2782d925dba43a4313737edae2c038b5e8927c7568d6f8dc831c
noarch xorg-x11-server-source-1.20.11-28.el8_10.3.noarch.rpm 63171eceb23cfe9bf6b09e0d6b0531c30b3327bafa9b35f65eba5bad649d5a7b
ppc64le xorg-x11-server-Xvfb-1.20.11-28.el8_10.3.ppc64le.rpm 197fa81f218662ee5d67200d9103a0e0fe1588c2a90a053f99e556db8e6c84a0
ppc64le xorg-x11-server-Xnest-1.20.11-28.el8_10.3.ppc64le.rpm 2f8c09ca809a0f6b65f7ed041edf5085f8534f91f25a13981c3cafc40e79eb0c
ppc64le xorg-x11-server-Xdmx-1.20.11-28.el8_10.3.ppc64le.rpm 4eec7abfb9cb136b21f9c2739acff7620e1794b5e0c6b30ba4123da9989b3a6e
ppc64le xorg-x11-server-Xorg-1.20.11-28.el8_10.3.ppc64le.rpm 70d6df349bef4407c3ac328406a17fae063c4a09bf9d5b30542c9c629d89b278
ppc64le xorg-x11-server-Xephyr-1.20.11-28.el8_10.3.ppc64le.rpm 794bc06d4c777a275c20c6e4011a3f12745347b575389f6bc6dc74fd9b87a7d5
ppc64le xorg-x11-server-common-1.20.11-28.el8_10.3.ppc64le.rpm c57231823d400afa0bd2468c98345041b38b9363bb531a5fa645377110cdd709
ppc64le xorg-x11-server-devel-1.20.11-28.el8_10.3.ppc64le.rpm d100dfd8448dc4ceeb1724d6e7f38a79d7f425a3e0ddc06bdd54e1cdce425700
s390x xorg-x11-server-devel-1.20.11-28.el8_10.3.s390x.rpm 45b2f1345b5fdd98f4209358698fb1ea4d06efc1b24cbf61a4c0af4b24614ca7
s390x xorg-x11-server-Xdmx-1.20.11-28.el8_10.3.s390x.rpm 5a52b354c5683c20705d0ee8458760d3901b60ef3b572c92f9f6eae55d2a39de
s390x xorg-x11-server-Xorg-1.20.11-28.el8_10.3.s390x.rpm 69226635b8e57fb1aedb87b2f7e8f30b53f318c12a380d98ac0f0ba0906884a2
s390x xorg-x11-server-Xvfb-1.20.11-28.el8_10.3.s390x.rpm 826ee9cdea2b9f373af762641c31ddd7c1f61790d913a589afc4bc34c824854a
s390x xorg-x11-server-Xephyr-1.20.11-28.el8_10.3.s390x.rpm 89f51d74dca49a2b2408400412475eb97bd0d9e08023f63661584a0d8c0f41d9
s390x xorg-x11-server-Xnest-1.20.11-28.el8_10.3.s390x.rpm d5cad7f94b3cbcad5b079cd9920a3c1b4df2ef7b78c8e865550cd3fbb214b4e3
s390x xorg-x11-server-common-1.20.11-28.el8_10.3.s390x.rpm e46d3733c9c155063d83dac8816531dd357814b8c4e93e73ff68c1fc0914950d
x86_64 xorg-x11-server-Xorg-1.20.11-28.el8_10.3.x86_64.rpm 8537a2f9f934b46e8ec0928f91e3edf144c8981d8c5764cc9b7bf895387a6c6c
x86_64 xorg-x11-server-Xnest-1.20.11-28.el8_10.3.x86_64.rpm a725b9b4a485fcfda952b673b1873e9e0c1db40d993a5f9020c1020e2efe6b5a
x86_64 xorg-x11-server-devel-1.20.11-28.el8_10.3.x86_64.rpm ba30fae7ff0ec2c869a2ebb9147974885469b0bf5884413c72a9db0e2e3a428b
x86_64 xorg-x11-server-Xdmx-1.20.11-28.el8_10.3.x86_64.rpm bc58bba152833edf65809a45464d293f20848b0a19a7de99c83ea140dae4a2d3
x86_64 xorg-x11-server-Xvfb-1.20.11-28.el8_10.3.x86_64.rpm c4120580836428f11eb3a9ee417f5280011b30326b311d7b018d5534a6796917
x86_64 xorg-x11-server-common-1.20.11-28.el8_10.3.x86_64.rpm d4847069467da15cc005521922e33c24f47a0f4c2f112c86917e8006187d6fa3
x86_64 xorg-x11-server-Xephyr-1.20.11-28.el8_10.3.x86_64.rpm de374daf7ae84f15eea53f301cbc153d83a01f14e7c768c5f7420a9222e9436b
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.