{"id":"CVE-2026-94284","aliases":["ALPINE-CVE-2026-94284","AZL-104960","BELL-CVE-2026-94284","DEBIAN-CVE-2026-94284","EUVD-2026-88175","GHSA-5j4r-gpq7-9www","MGASA-2026-0508","OESA-2026-4247","OESA-2026-4248","OESA-2026-4249","OESA-2026-4250","RHSA-2026:79278","SUSE-SU-2026:24118-1","SUSE-SU-2026:24201-1","SUSE-SU-2026:24365-1","SUSE-SU-2026:24552-1","SUSE-SU-2026:4410-1","SUSE-SU-2026:4500-1","SUSE-SU-2026:4501-1","SUSE-SU-2026:4502-1","UBUNTU-CVE-2026-94284","USN-8913-1","openSUSE-SU-2026:11894-1","openSUSE-SU-2026:22055-1"],"status":"published","title":"Out-of-bounds read vulnerability in libX11's XIM trigger-keyregistration parser.registration parser","description":"An out-of-bounds read vulnerability in libX11's XIM trigger-key registration parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X 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libX11\u0026apos;s byte-oriented codeset parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.(CVE-2026-94285)","status":"published","published":"2026-10-16T11:58:35Z","modified":"2026-10-16T12:15:17.55586888Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:47.643553Z"},{"id":"OESA-2026-4250","title":"libX11 security update","description":"Core X11 protocol client library.\r\n\r\nSecurity Fix(es):\n\nA malicious X server could exploit a buffer overflow in libX11 before 1.8.14 during handling of XkbGetMap overflowing the key_sym_map.(CVE-2026-88806)\n\nAn out-of-bounds read vulnerability in libX11\u0026apos;s XIM (X Input Method) attribute parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.(CVE-2026-94283)\n\nAn out-of-bounds read vulnerability in libX11\u0026apos;s XIM trigger-key registration parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.(CVE-2026-94284)\n\nAn out-of-bounds read in libX11\u0026apos;s byte-oriented codeset parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.(CVE-2026-94285)","status":"published","published":"2026-10-16T11:58:36Z","modified":"2026-10-16T12:15:06.297032719Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:47.643553Z"},{"id":"RHSA-2026:79278","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update","status":"published","published":"2026-10-10T10:22:48Z","modified":"2026-10-10T10:35:25.20159841Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:23.547034Z"},{"id":"UBUNTU-CVE-2026-94284","description":"An out-of-bounds read vulnerability in libX11's XIM trigger-key registration parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.","status":"published","published":"2026-09-28T09:17:00Z","modified":"2026-10-17T13:01:18.982463307Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:57:44.071534Z"},{"id":"AZL-104960","title":"CVE-2026-94284 affecting package libX11 for versions less than 1.8.14-1","description":"An out-of-bounds read vulnerability in libX11's XIM trigger-key registration parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.","status":"published","published":"2026-09-28T09:17:08Z","modified":"2026-11-02T14:15:51.524092965Z","updated_at":"2026-11-02T15:28:01.09948Z"},{"id":"MGASA-2026-0508","title":"Updated libx11 package fixes security vulnerabilities","description":"libX11 XkbGetMap Reply Heap-based Buffer Overflow. (CVE-2026-88806)\nOut-of-bounds read vulnerability in libX11's XIM (X Input Method)\nattribute parser. (CVE-2026-94283)\nOut-of-bounds read vulnerability in libX11's XIM trigger-keyregistration\nparser.registration parser. (CVE-2026-94284)\nOut-of-bounds read in libX11's byte-oriented codeset parser.\n(CVE-2026-94285)\n","status":"published","published":"2026-10-16T06:29:55Z","modified":"2026-10-16T17:23:04.637751791Z","updated_at":"2026-11-02T15:49:43.795591Z"},{"id":"openSUSE-SU-2026:11894-1","title":"libX11-6-1.8.13-3.1 on GA media","description":"These are all security issues fixed in the libX11-6-1.8.13-3.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-09-28T00:00:00Z","modified":"2026-09-29T18:23:14.09797217Z","updated_at":"2026-11-02T16:58:40.245664Z"},{"id":"openSUSE-SU-2026:22055-1","title":"Security update for libX11","description":"This update for libX11 fixes the following issues:\n\n- CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser (bsc#1281653).\n- CVE-2026-94284: out-of-bounds read vulnerability in libX11's XIM trigger-keyregistration parser.registration parser\n  (bsc#1281657).\n- CVE-2026-94285: out-of-bounds read in libX11's byte-oriented codeset parser (bsc#1281661).\n","status":"published","published":"2026-10-08T06:14:16Z","modified":"2026-10-19T17:23:11.637998145Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"SUSE-SU-2026:24118-1","title":"Security update for libX11","description":"This update for libX11 fixes the following issues:\n\n- CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser (bsc#1281653).\n- CVE-2026-94284: out-of-bounds read vulnerability in libX11's XIM trigger-keyregistration parser.registration parser\n  (bsc#1281657).\n- CVE-2026-94285: out-of-bounds read in libX11's byte-oriented codeset parser (bsc#1281661).\n","status":"published","published":"2026-10-08T06:15:10Z","modified":"2026-10-13T17:23:11.22514307Z","updated_at":"2026-11-02T15:54:04.519245Z"},{"id":"SUSE-SU-2026:24201-1","title":"Security update for libX11","description":"This update for libX11 fixes the following issues:\n\n- CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser (bsc#1281653).\n- CVE-2026-94284: out-of-bounds read vulnerability in libX11's XIM trigger-keyregistration parser.registration parser\n  (bsc#1281657).\n- CVE-2026-94285: out-of-bounds read in libX11's byte-oriented codeset parser (bsc#1281661).\n","status":"published","published":"2026-10-08T06:15:10Z","modified":"2026-10-21T17:23:09.11221889Z","updated_at":"2026-11-02T15:54:04.519245Z"},{"id":"SUSE-SU-2026:24365-1","title":"Security update for libX11","description":"This update for libX11 fixes the following issues:\n\n- CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow (bsc#1280910).\n- CVE-2026-94283: Out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser (bsc#1281653).\n- CVE-2026-94284: Out-of-bounds read vulnerability in libX11's XIM trigger-keyregistration parser.registration parser\n  (bsc#1281657).\n- CVE-2026-94285: Out-of-bounds read in libX11's byte-oriented codeset parser (bsc#1281661).\n","status":"published","published":"2026-10-20T05:42:54Z","modified":"2026-10-27T17:23:17.206920596Z","updated_at":"2026-11-02T15:54:04.519245Z"},{"id":"SUSE-SU-2026:24552-1","title":"Security update for libX11","description":"This update for libX11 fixes the following issues:\n\n- CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow (bsc#1280910).\n- CVE-2026-94283: Out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser (bsc#1281653).\n- CVE-2026-94284: Out-of-bounds read vulnerability in libX11's XIM trigger-keyregistration parser.registration parser\n  (bsc#1281657).\n- CVE-2026-94285: Out-of-bounds read in libX11's byte-oriented codeset parser (bsc#1281661).\n","status":"published","published":"2026-10-26T20:34:30Z","modified":"2026-11-07T17:23:11.06505406Z","updated_at":"2026-11-07T17:50:39.727056Z"},{"id":"SUSE-SU-2026:4410-1","title":"Security update for libX11","description":"This update for libX11 fixes the following issues:\n\n- CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow (bsc#1280910).\n- CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser (bsc#1281653).\n- CVE-2026-94284: out-of-bounds read vulnerability in libX11's XIM trigger-keyregistration parser.registration parser\n  (bsc#1281657).\n- CVE-2026-94285: out-of-bounds read in libX11's byte-oriented codeset parser (bsc#1281661).\n","status":"published","published":"2026-10-01T14:41:43Z","modified":"2026-10-02T11:30:04.071771158Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"SUSE-SU-2026:4500-1","title":"Security update for libX11","description":"This update for libX11 fixes the following issues:\n\n- CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow (bsc#1280910).\n- CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser (bsc#1281653).\n- CVE-2026-94284: out-of-bounds read vulnerability in libX11's XIM trigger-keyregistration parser.registration parser\n  (bsc#1281657).\n- CVE-2026-94285: out-of-bounds read in libX11's byte-oriented codeset parser (bsc#1281661).\n","status":"published","published":"2026-10-05T15:02:59Z","modified":"2026-10-06T11:15:10.300942847Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"SUSE-SU-2026:4501-1","title":"Security update for libX11","description":"This update for libX11 fixes the following issues:\n\n- CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow (bsc#1280910).\n- CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser (bsc#1281653).\n- CVE-2026-94284: out-of-bounds read vulnerability in libX11's XIM trigger-keyregistration parser.registration parser\n  (bsc#1281657).\n- CVE-2026-94285: out-of-bounds read in libX11's byte-oriented codeset parser (bsc#1281661).\n","status":"published","published":"2026-10-05T15:03:25Z","modified":"2026-10-06T11:15:10.807309769Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"SUSE-SU-2026:4502-1","title":"Security update for libX11","description":"This update for libX11 fixes the following issues:\n\n- CVE-2026-88806: XkbGetMap Reply Heap-based Buffer Overflow (bsc#1280910).\n- CVE-2026-94283: out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser (bsc#1281653).\n- CVE-2026-94284: out-of-bounds read vulnerability in libX11's XIM trigger-keyregistration parser.registration parser\n  (bsc#1281657).\n- CVE-2026-94285: out-of-bounds read in libX11's byte-oriented codeset parser (bsc#1281661).\n","status":"published","published":"2026-10-05T15:03:57Z","modified":"2026-10-06T11:15:10.805598877Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"USN-8913-1","title":"libx11 vulnerabilities","description":"Adam Bedard discovered that libx11 incorrectly handled certain XKB keyboard\nmap replies. If a user were tricked into connecting to a malicious X\nserver, a remote attacker could possibly use this issue to cause libx11 to\ncrash, resulting in a denial of service, or possibly execute arbitrary\ncode. (CVE-2026-88806)\n\nIt was discovered that libx11 incorrectly handled certain X Input Method\n(XIM) messages. If a user were tricked into connecting to a malicious X\nserver, a remote attacker could possibly use these issues to cause libx11\nto crash, resulting in a denial of service. (CVE-2026-94283,\nCVE-2026-94284)\n\nIt was discovered that libx11 incorrectly handled converting certain\nmultibyte text. An attacker could possibly use this issue to cause libx11\nto crash, resulting in a denial of service. (CVE-2026-94285)","status":"published","published":"2026-10-12T12:53:41Z","modified":"2026-10-12T20:28:09.4640738Z","updated_at":"2026-11-02T16:58:26.907654Z"}]}}