{"schema_version":"1.7.3","id":"openSUSE-SU-2021:0764-1","published":"2021-05-22T05:03:59Z","modified":"2026-02-04T03:13:15.526656Z","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\nThis update was imported from the SUSE:SLE-15:Update update project.","affected":[{"package":{"name":"libxml2","ecosystem":"openSUSE:Leap 15.2","purl":"pkg:rpm/opensuse/libxml2&distro=openSUSE%20Leap%2015.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.7-lp152.10.12.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2":"2.9.7-lp152.10.12.1","libxml2-2-32bit":"2.9.7-lp152.10.12.1","libxml2-devel":"2.9.7-lp152.10.12.1","libxml2-devel-32bit":"2.9.7-lp152.10.12.1","libxml2-doc":"2.9.7-lp152.10.12.1","libxml2-tools":"2.9.7-lp152.10.12.1","python2-libxml2-python":"2.9.7-lp152.10.12.1","python3-libxml2-python":"2.9.7-lp152.10.12.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2021:0764-1.json"}},{"package":{"name":"python-libxml2-python","ecosystem":"openSUSE:Leap 15.2","purl":"pkg:rpm/opensuse/python-libxml2-python&distro=openSUSE%20Leap%2015.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.7-lp152.10.12.1"}]}],"ecosystem_specific":{"binaries":[{"libxml2-2":"2.9.7-lp152.10.12.1","libxml2-2-32bit":"2.9.7-lp152.10.12.1","libxml2-devel":"2.9.7-lp152.10.12.1","libxml2-devel-32bit":"2.9.7-lp152.10.12.1","libxml2-doc":"2.9.7-lp152.10.12.1","libxml2-tools":"2.9.7-lp152.10.12.1","python2-libxml2-python":"2.9.7-lp152.10.12.1","python3-libxml2-python":"2.9.7-lp152.10.12.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2021:0764-1.json"}}],"references":[{"type":"ADVISORY","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/32MGTWHTQRUPYHYIAVT6OVBDWQDI36DX/"},{"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"}]}