{"id":"SUSE-SU-2021:1658-1","summary":"Security update for libxml2","details":"This update for libxml2 fixes the following issues:\n\nSecurity issues fixed:\n\nCVE-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","modified":"2026-03-11T07:16:43.797998Z","published":"2021-05-19T16:20:52Z","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"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2021/suse-su-20211658-1/"},{"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"}],"affected":[{"package":{"name":"libxml2","ecosystem":"SUSE:HPE Helion OpenStack 8","purl":"pkg:rpm/suse/libxml2&distro=HPE%20Helion%20OpenStack%208"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"python-libxml2","ecosystem":"SUSE:HPE Helion OpenStack 8","purl":"pkg:rpm/suse/python-libxml2&distro=HPE%20Helion%20OpenStack%208"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"libxml2","ecosystem":"SUSE:OpenStack Cloud 8","purl":"pkg:rpm/suse/libxml2&distro=SUSE%20OpenStack%20Cloud%208"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"python-libxml2","ecosystem":"SUSE:OpenStack Cloud 8","purl":"pkg:rpm/suse/python-libxml2&distro=SUSE%20OpenStack%20Cloud%208"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"python-libxml2":"2.9.4-46.43.1","libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"libxml2","ecosystem":"SUSE:OpenStack Cloud 9","purl":"pkg:rpm/suse/libxml2&distro=SUSE%20OpenStack%20Cloud%209"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"python-libxml2","ecosystem":"SUSE:OpenStack Cloud 9","purl":"pkg:rpm/suse/python-libxml2&distro=SUSE%20OpenStack%20Cloud%209"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"libxml2","ecosystem":"SUSE:OpenStack Cloud Crowbar 8","purl":"pkg:rpm/suse/libxml2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1","libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"python-libxml2","ecosystem":"SUSE:OpenStack Cloud Crowbar 8","purl":"pkg:rpm/suse/python-libxml2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"python-libxml2":"2.9.4-46.43.1","libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"libxml2","ecosystem":"SUSE:OpenStack Cloud Crowbar 9","purl":"pkg:rpm/suse/libxml2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1","libxml2-2-32bit":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"python-libxml2","ecosystem":"SUSE:OpenStack Cloud Crowbar 9","purl":"pkg:rpm/suse/python-libxml2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"python-libxml2":"2.9.4-46.43.1","libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"libxml2","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","purl":"pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"python-libxml2","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","purl":"pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"libxml2","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP4","purl":"pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1","libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"python-libxml2","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP4","purl":"pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1","libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"libxml2","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP5","purl":"pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-devel":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"libxml2","ecosystem":"SUSE:Linux Enterprise Server 12 SP2-BCL","purl":"pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"python-libxml2","ecosystem":"SUSE:Linux Enterprise Server 12 SP2-BCL","purl":"pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"libxml2","ecosystem":"SUSE:Linux Enterprise Server 12 SP3-LTSS","purl":"pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"python-libxml2","ecosystem":"SUSE:Linux Enterprise Server 12 SP3-LTSS","purl":"pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"libxml2","ecosystem":"SUSE:Linux Enterprise Server 12 SP3-BCL","purl":"pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCL"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"python-libxml2","ecosystem":"SUSE:Linux Enterprise Server 12 SP3-BCL","purl":"pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCL"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1","libxml2-2-32bit":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"libxml2","ecosystem":"SUSE:Linux Enterprise Server 12 SP4-LTSS","purl":"pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"python-libxml2":"2.9.4-46.43.1","libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"python-libxml2","ecosystem":"SUSE:Linux Enterprise Server 12 SP4-LTSS","purl":"pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1","libxml2-2-32bit":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"libxml2","ecosystem":"SUSE:Linux Enterprise Server 12 SP5","purl":"pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"python-libxml2","ecosystem":"SUSE:Linux Enterprise Server 12 SP5","purl":"pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1","libxml2-2-32bit":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"libxml2","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP5","purl":"pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1","libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}},{"package":{"name":"python-libxml2","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP5","purl":"pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4-46.43.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2-32bit":"2.9.4-46.43.1","libxml2-2":"2.9.4-46.43.1","libxml2-doc":"2.9.4-46.43.1","libxml2-tools":"2.9.4-46.43.1","python-libxml2":"2.9.4-46.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:1658-1.json"}}],"schema_version":"1.7.5"}