{"id":"SUSE-SU-2026:4591-1","summary":"Security update for glibc","details":"This update for glibc fixes the following issues:\n\n- CVE-2026-6368: wordexp WRDE_APPEND rollback restores stale we_wordv, leading to invalid free in wordfree\n  (bsc#1274726).\n- CVE-2026-6791: wordexp: unbounded alloca (strndupa) in parse_tilde (bsc#1274723).\n- CVE-2026-8674: reachable assert in `resolv/resolv_conf.c:update_from_conf` allows an attacker in a local network to\n  trigger a process crash (bsc#1281297).\n- CVE-2026-18374: overflow in the fopen ccs extension (bsc#1277262).\n- CVE-2026-19542: Fix out-of-bounds array write in tdelete (bsc#1276946).\n- CVE-2026-77117: non-progress DoS in SHIFT_JISX0213 -> UCS-4 conversion state handling (bsc#1277921).\n- CVE-2026-80489: non-progress DoS in SHIFT_JISX0213 -> UCS-4 conversion state handling (bsc#1277922).\n- CVE-2026-86805: TOCTOU race condition in the dynamic loader allows local attackers to escalate privileges\n  (bsc#1282509).\n- CVE-2026-89092: nscd stack overflow leads to degraded DNS resolution (bsc#1282449).\n- CVE-2026-97399: one byte out-of-bounds read via function `strncasecmp` on Power8 can lead to a program crash\n  (bsc#1283147).\n","modified":"2026-10-09T18:15:03.742602908Z","published":"2026-10-08T12:18:31Z","related":["CVE-2026-18374","CVE-2026-19542","CVE-2026-6368","CVE-2026-6791","CVE-2026-77117","CVE-2026-80489","CVE-2026-8674","CVE-2026-86805","CVE-2026-89092","CVE-2026-97399"],"upstream":["CVE-2026-18374","CVE-2026-19542","CVE-2026-6368","CVE-2026-6791","CVE-2026-77117","CVE-2026-80489","CVE-2026-8674","CVE-2026-86805","CVE-2026-89092","CVE-2026-97399"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264591-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1274723"},{"type":"REPORT","url":"https://bugzilla.suse.com/1274726"},{"type":"REPORT","url":"https://bugzilla.suse.com/1276946"},{"type":"REPORT","url":"https://bugzilla.suse.com/1277262"},{"type":"REPORT","url":"https://bugzilla.suse.com/1277921"},{"type":"REPORT","url":"https://bugzilla.suse.com/1277922"},{"type":"REPORT","url":"https://bugzilla.suse.com/1278011"},{"type":"REPORT","url":"https://bugzilla.suse.com/1281297"},{"type":"REPORT","url":"https://bugzilla.suse.com/1282449"},{"type":"REPORT","url":"https://bugzilla.suse.com/1282509"},{"type":"REPORT","url":"https://bugzilla.suse.com/1283147"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-18374"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-19542"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-6368"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-6791"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-77117"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-80489"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-8674"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-86805"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-89092"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-97399"}],"affected":[{"package":{"name":"glibc","ecosystem":"SUSE:Linux Enterprise Micro 5.3","purl":"pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Micro%205.3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.31-150300.109.1"}]}],"ecosystem_specific":{"binaries":[{"glibc":"2.31-150300.109.1","glibc-devel":"2.31-150300.109.1","glibc-locale":"2.31-150300.109.1","glibc-locale-base":"2.31-150300.109.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4591-1.json"}},{"package":{"name":"glibc","ecosystem":"SUSE:Linux Enterprise Micro 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