{"id":"SUSE-SU-2026:21164-1","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":"2026-04-22T20:09:45.969997Z","published":"2026-04-10T06:44:31Z","related":["CVE-2026-4437","CVE-2026-4438"],"upstream":["CVE-2026-4437","CVE-2026-4438"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-202621164-1/"},{"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":"SUSE:Linux Enterprise Server 16.0","purl":"pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.40-160000.4.1"}]}],"ecosystem_specific":{"binaries":[{"glibc-info":"2.40-160000.4.1","glibc-locale":"2.40-160000.4.1","glibc-utils":"2.40-160000.4.1","glibc-devel-static":"2.40-160000.4.1","glibc-extra":"2.40-160000.4.1","glibc-gconv-modules-extra":"2.40-160000.4.1","glibc-lang":"2.40-160000.4.1","glibc-locale-base":"2.40-160000.4.1","glibc-profile":"2.40-160000.4.1","glibc":"2.40-160000.4.1","glibc-devel":"2.40-160000.4.1","glibc-html":"2.40-160000.4.1","glibc-i18ndata":"2.40-160000.4.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:21164-1.json"}},{"package":{"name":"glibc","ecosystem":"SUSE:Linux Enterprise Server for SAP applications 16.0","purl":"pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.40-160000.4.1"}]}],"ecosystem_specific":{"binaries":[{"glibc-gconv-modules-extra":"2.40-160000.4.1","glibc-html":"2.40-160000.4.1","glibc-i18ndata":"2.40-160000.4.1","glibc-info":"2.40-160000.4.1","glibc-lang":"2.40-160000.4.1","glibc-devel":"2.40-160000.4.1","glibc-locale-base":"2.40-160000.4.1","glibc-locale":"2.40-160000.4.1","glibc-profile":"2.40-160000.4.1","glibc-utils":"2.40-160000.4.1","glibc":"2.40-160000.4.1","glibc-devel-static":"2.40-160000.4.1","glibc-extra":"2.40-160000.4.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:21164-1.json"}}],"schema_version":"1.7.5"}