[ALSA-2026:11692] Important: xorg-x11-server security update
Type:
security
Severity:
important
Release date:
2026-04-30
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: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling (CVE-2026-33999) * xorg: xwayland: X.Org X server: Use-after-free vulnerability leads to server crash and potential memory corruption (CVE-2026-34001) * xorg: xwayland: X.Org X server: Information exposure and denial of service via out-of-bounds memory access (CVE-2026-34003) 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.aarch64.rpm 0c96ecf1c2131bd29cea8249e4586a9319c705741823960ec82ec42170a9f63c
aarch64 xorg-x11-server-devel-1.20.11-28.el8_10.aarch64.rpm 3afd975a7ff28159f2f3a6f6ce9c1d612acf732cc5d3b7d1f919b02639ae2211
aarch64 xorg-x11-server-Xvfb-1.20.11-28.el8_10.aarch64.rpm 4d5a0caf85a83dc32ef894adb8b8cf09d4c426c1526e1f14e494207009e9a556
aarch64 xorg-x11-server-common-1.20.11-28.el8_10.aarch64.rpm 72ea8aebf61771c17231822385c93f4e80c509fc7600fc886214bdcb693d84fb
aarch64 xorg-x11-server-Xnest-1.20.11-28.el8_10.aarch64.rpm 82abd076515f317dc74c1ddc054449ed2128d9efc83dfafbca8d3d9d4a782aec
aarch64 xorg-x11-server-Xephyr-1.20.11-28.el8_10.aarch64.rpm b149d93bab7a0d9788222637b1ae90d5d259d17f0713214017a8d01aa378c865
aarch64 xorg-x11-server-Xdmx-1.20.11-28.el8_10.aarch64.rpm dc3edaa62be2db43493b71c710e7696866ab1036779622d5f887de81b3f6dc7a
i686 xorg-x11-server-devel-1.20.11-28.el8_10.i686.rpm b5f1b0ede55403a1ff691aaf75f575c55d51063c1f0ad62f2f49820d02fa516c
noarch xorg-x11-server-source-1.20.11-28.el8_10.noarch.rpm 365a95d1f6d63795eb2e8caba5731a72ed7ea60f73616d61ce93798da5e43e1e
ppc64le xorg-x11-server-Xvfb-1.20.11-28.el8_10.ppc64le.rpm 0869b5a99a645c9ee69835d0ccdc6993b90b13e36bc0b4415c93bcd90ae3baae
ppc64le xorg-x11-server-common-1.20.11-28.el8_10.ppc64le.rpm 0b73ce4d94391d2bac7388d7abf8d8e14c0cd12fb13c4ba93bc580e978f5dd25
ppc64le xorg-x11-server-devel-1.20.11-28.el8_10.ppc64le.rpm 52a1f1b0397bc5fdb1aee0ddd118c706c8af40deafb89d3eb9755b003170b9b0
ppc64le xorg-x11-server-Xnest-1.20.11-28.el8_10.ppc64le.rpm 7534465af7ca12036ad4485befbf658d74687839866b2687a59b2a4a38e6151b
ppc64le xorg-x11-server-Xephyr-1.20.11-28.el8_10.ppc64le.rpm 995792726711984a1a13035bb7b95cb9af64ad659b8c7153cb4a7b7d5b259661
ppc64le xorg-x11-server-Xdmx-1.20.11-28.el8_10.ppc64le.rpm c4f99c074677d8807844ede571f680e70803ca7737211afba14f3bafbbd87eb0
ppc64le xorg-x11-server-Xorg-1.20.11-28.el8_10.ppc64le.rpm eaea1e8d07c3cb6eb52a04c5246cd5020bbd8e2709d8e79959542efe5b1767ab
s390x xorg-x11-server-Xorg-1.20.11-28.el8_10.s390x.rpm 2f14a71c2353985309bc459f0173cfe1654927ba559842ec03be8673cc3583e9
s390x xorg-x11-server-Xnest-1.20.11-28.el8_10.s390x.rpm 3953cbdb5211b084b16114039a6bbc1b25a376fe8e809a92c0d96a63b41e43a7
s390x xorg-x11-server-Xvfb-1.20.11-28.el8_10.s390x.rpm 4b66636c51dfcdbd0a9f0610da6ba93ce9ce6e0f32fed9ae99252eeafacb1039
s390x xorg-x11-server-common-1.20.11-28.el8_10.s390x.rpm 585302501771964b74ec348f6d96df513243899317495f119bfe0227a2dd0818
s390x xorg-x11-server-Xephyr-1.20.11-28.el8_10.s390x.rpm bb5f9793f60c5541115d9e83dec256a7ea28d0f6574a7941a7462e48901252e8
s390x xorg-x11-server-Xdmx-1.20.11-28.el8_10.s390x.rpm bc34ba949d3ad55aad5845ecf43f8003bc906dedf97c94c3cef4b4a1702c8d38
s390x xorg-x11-server-devel-1.20.11-28.el8_10.s390x.rpm bd91d4bd52fb0db80db1a8c68e8b36c9d34923317cb5c7283690d03f8b7db253
x86_64 xorg-x11-server-Xephyr-1.20.11-28.el8_10.x86_64.rpm 4246670a9ff6b6abb9a53ecb20134cac52f3a2f41931fc4c33c5808af37676ec
x86_64 xorg-x11-server-Xdmx-1.20.11-28.el8_10.x86_64.rpm 904a67012e03cecb7473780183ab92e2bffeeda77c90d08adb256f7715d29a82
x86_64 xorg-x11-server-devel-1.20.11-28.el8_10.x86_64.rpm 911e8123ecf7ecb76059d56d0fa7fe44a55c4464d388790362113e73e2385024
x86_64 xorg-x11-server-common-1.20.11-28.el8_10.x86_64.rpm 9bbb7b76a4a91ff41b9a9e2884779f3432a291364d38e0780b2393ef54e9e5cb
x86_64 xorg-x11-server-Xnest-1.20.11-28.el8_10.x86_64.rpm a30b815c90587db142a39737a23b6ed3224a6f6cd4002cf2ba7e1796cabfdc11
x86_64 xorg-x11-server-Xvfb-1.20.11-28.el8_10.x86_64.rpm e655ffbf85f8ecdd25b2561c2118759af8db8c4fed9c54287c557998347267dc
x86_64 xorg-x11-server-Xorg-1.20.11-28.el8_10.x86_64.rpm f28d3f8c07bdf217ee0563400ae4672cf8fae57bcbf0da4664518bb737672c64
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.