{"schemaVersion":3,"id":"SUSE-SU-2026:4591-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for glibc\n\nThis 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 -&gt; UCS-4 conversion state handling (bsc#1277921).\n- CVE-2026-80489: non-progress DoS in SHIFT_JISX0213 -&gt; 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).","dates":{"published":"2026-10-08T12:18:31.000Z","modified":"2026-10-09T18:15:03.742Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"suse","product":"glibc&distro=SUSE Linux Enterprise High Performance Computing 15 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2.31-150300.109.1","eol":null,"hubHref":null},{"vendor":"suse","product":"glibc&distro=SUSE Linux Enterprise Micro 5.3","name":"glibc","label":"glibc&distro=SUSE Linux Enterprise Micro 5.3","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/glibc&distro=SUSE Linux Enterprise Micro 5.3","purlType":"rpm","versions":[{"text":"< 2.31-150300.109.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.31-150300.109.1","eol":null,"hubHref":null},{"vendor":"suse","product":"glibc&distro=SUSE Linux Enterprise Micro 5.4","name":"glibc","label":"glibc&distro=SUSE Linux Enterprise Micro 5.4","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/glibc&distro=SUSE Linux Enterprise Micro 5.4","purlType":"rpm","versions":[{"text":"< 2.31-150300.109.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.31-150300.109.1","eol":null,"hubHref":null},{"vendor":"suse","product":"glibc&distro=SUSE Linux Enterprise Micro 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2.31-150300.109.1","eol":null,"hubHref":null}],"affectedCount":11,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264591-1/","label":"www.suse.com/support/update/announcement/2026/suse-su-20264591-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1274723","label":"bugzilla.suse.com/1274723","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1274726","label":"bugzilla.suse.com/1274726","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1276946","label":"bugzilla.suse.com/1276946","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1277262","label":"bugzilla.suse.com/1277262","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1277921","label":"bugzilla.suse.com/1277921","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1277922","label":"bugzilla.suse.com/1277922","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1278011","label":"bugzilla.suse.com/1278011","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1281297","label":"bugzilla.suse.com/1281297","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1282449","label":"bugzilla.suse.com/1282449","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1282509","label":"bugzilla.suse.com/1282509","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1283147","label":"bugzilla.suse.com/1283147","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2026-18374","label":"www.suse.com/security/cve/CVE-2026-18374","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-19542","label":"www.suse.com/security/cve/CVE-2026-19542","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6368","label":"www.suse.com/security/cve/CVE-2026-6368","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6791","label":"www.suse.com/security/cve/CVE-2026-6791","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-77117","label":"www.suse.com/security/cve/CVE-2026-77117","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-80489","label":"www.suse.com/security/cve/CVE-2026-80489","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-8674","label":"www.suse.com/security/cve/CVE-2026-8674","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-86805","label":"www.suse.com/security/cve/CVE-2026-86805","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-89092","label":"www.suse.com/security/cve/CVE-2026-89092","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-97399","label":"www.suse.com/security/cve/CVE-2026-97399","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"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"],"downstream":[],"duplicates":[],"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"]},"timeline":[{"kind":"published","date":"2026-10-08T12:18:31.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-09T18:15:03.742Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T22:11:40.339Z","stale":false,"partial":false}}