{"schema_version":"1.7.3","id":"SUSE-SU-2021:1654-1","published":"2021-05-19T14:44:05Z","modified":"2026-02-04T02:21:25.459972Z","related":["CVE-2021-3516","CVE-2021-3517","CVE-2021-3518","CVE-2021-3537"],"upstream":["CVE-2021-3516","CVE-2021-3517","CVE-2021-3518","CVE-2021-3537"],"summary":"Security update for libxml2","details":"This update for libxml2 fixes the following issues:\n\n- CVE-2021-3537: NULL pointer dereference in valid.c:xmlValidBuildAContentModel (bsc#1185698)\n- CVE-2021-3518: Fixed a use after free in xinclude.c:xmlXIncludeDoProcess (bsc#1185408).\n- CVE-2021-3517: Fixed a heap based buffer overflow in entities.c:xmlEncodeEntitiesInternal (bsc#1185410).\n- CVE-2021-3516: Fixed a use after free in entities.c:xmlEncodeEntitiesInternal (bsc#1185409).\n","affected":[{"package":{"name":"libxml2","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP2","purl":"pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.7-3.34.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2":"2.9.7-3.34.1","libxml2-2-32bit":"2.9.7-3.34.1","libxml2-devel":"2.9.7-3.34.1","libxml2-tools":"2.9.7-3.34.1","python3-libxml2-python":"2.9.7-3.34.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1654-1.json"}},{"package":{"name":"python-libxml2-python","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP2","purl":"pkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.7-3.34.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2":"2.9.7-3.34.1","libxml2-2-32bit":"2.9.7-3.34.1","libxml2-devel":"2.9.7-3.34.1","libxml2-tools":"2.9.7-3.34.1","python3-libxml2-python":"2.9.7-3.34.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1654-1.json"}},{"package":{"name":"libxml2","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP3","purl":"pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.7-3.34.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2":"2.9.7-3.34.1","libxml2-2-32bit":"2.9.7-3.34.1","libxml2-devel":"2.9.7-3.34.1","libxml2-tools":"2.9.7-3.34.1","python3-libxml2-python":"2.9.7-3.34.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1654-1.json"}},{"package":{"name":"python-libxml2-python","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP3","purl":"pkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.7-3.34.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2":"2.9.7-3.34.1","libxml2-2-32bit":"2.9.7-3.34.1","libxml2-devel":"2.9.7-3.34.1","libxml2-tools":"2.9.7-3.34.1","python3-libxml2-python":"2.9.7-3.34.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1654-1.json"}},{"package":{"name":"python-libxml2-python","ecosystem":"SUSE:Linux Enterprise Module for Python 2 15 SP2","purl":"pkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%202%2015%20SP2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.7-3.34.1"}]}],"ecosystem_specific":{"binaries":[{"python2-libxml2-python":"2.9.7-3.34.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1654-1.json"}},{"package":{"name":"python-libxml2-python","ecosystem":"SUSE:Linux Enterprise Module for Python 2 15 SP3","purl":"pkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%202%2015%20SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.7-3.34.1"}]}],"ecosystem_specific":{"binaries":[{"python2-libxml2-python":"2.9.7-3.34.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1654-1.json"}},{"package":{"name":"libxml2","ecosystem":"SUSE:Linux Enterprise Micro 5.0","purl":"pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Micro%205.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.7-3.34.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2":"2.9.7-3.34.1","libxml2-tools":"2.9.7-3.34.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1654-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2021/suse-su-20211654-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1185408"},{"type":"REPORT","url":"https://bugzilla.suse.com/1185409"},{"type":"REPORT","url":"https://bugzilla.suse.com/1185410"},{"type":"REPORT","url":"https://bugzilla.suse.com/1185698"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-3516"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-3517"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-3518"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-3537"}]}