{"id":"openSUSE-SU-2026:20501-1","summary":"Security update for glibc","details":"This update for glibc fixes the following issues:\n\nSecurity fixes:\n\n- CVE-2026-4437: incorrect DNS response parsing via crafted DNS server response (bsc#1260078).\n- CVE-2026-4438: invalid DNS hostname returned via gethostbyaddr functions (bsc#1260082).\n\nOther fixes:\n\n- nss: Missing checks in __nss_configure_lookup, __nss_database_get (bsc#1258319).\n","modified":"2026-04-22T20:06:44.677579Z","published":"2026-04-10T06:36:43Z","related":["CVE-2026-4437","CVE-2026-4438"],"upstream":["CVE-2026-4437","CVE-2026-4438"],"references":[{"type":"ADVISORY"},{"type":"REPORT","url":"https://bugzilla.suse.com/1258319"},{"type":"REPORT","url":"https://bugzilla.suse.com/1260078"},{"type":"REPORT","url":"https://bugzilla.suse.com/1260082"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-4437"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-4438"}],"affected":[{"package":{"name":"glibc","ecosystem":"openSUSE:Leap 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