{"id":"CVE-2021-3537","details":"A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.","aliases":["GHSA-286v-pcf5-25rc"],"modified":"2026-05-30T17:27:16.940408Z","published":"2021-05-14T20:15:16.553Z","related":["ALSA-2021:2569","SUSE-SU-2021:14729-1","SUSE-SU-2021:1654-1","SUSE-SU-2021:1658-1","openSUSE-SU-2021:0764-1","openSUSE-SU-2024:11016-1","openSUSE-SU-2024:11340-1","openSUSE-SU-2024:11912-1","openSUSE-SU-2024:13165-1","openSUSE-SU-2024:14174-1","openSUSE-SU-2025:14697-1","openSUSE-SU-2026:10356-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"last_affected":"8.0.26"}],"source":"CPE_RANGE","cpes":["cpe:2.3:a:oracle:mysql_workbench:*:*:*:*:*:*:*:*"],"vendor_product":"oracle:mysql_workbench"},{"extracted_events":[{"last_affected":"9.0"}],"source":"CPE_STRING","cpes":["cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"vendor_product":"debian:debian_linux"},{"extracted_events":[{"last_affected":"33"},{"last_affected":"34"}],"source":"CPE_STRING","cpes":["cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"],"vendor_product":"fedoraproject:fedora"},{"extracted_events":[{"last_affected":"1.10.0"}],"source":"CPE_STRING","cpes":["cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.10.0:*:*:*:*:*:*:*"],"vendor_product":"oracle:communications_cloud_native_core_network_function_cloud_native_environment"},{"extracted_events":[{"last_affected":"13.4.0.0"},{"last_affected":"13.5.0.0"}],"source":"CPE_STRING","cpes":["cpe:2.3:a:oracle:enterprise_manager_base_platform:13.4.0.0:*:*:*:*:*:*:*","cpe:2.3:a:oracle:enterprise_manager_base_platform:13.5.0.0:*:*:*:*:*:*:*"],"vendor_product":"oracle:enterprise_manager_base_platform"},{"extracted_events":[{"last_affected":"12.4.0.0"}],"source":"CPE_STRING","cpes":["cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0.0:*:*:*:*:*:*:*"],"vendor_product":"oracle:enterprise_manager_ops_center"},{"extracted_events":[{"last_affected":"8-update301"},{"last_affected":"8-update301"},{"last_affected":"8-update301"}],"source":"CPE_STRING","cpes":["cpe:2.3:a:oracle:openjdk:8:update301:*:*:*:*:*:*"],"vendor_product":"oracle:openjdk"},{"extracted_events":[{"last_affected":"8.58"}],"source":"CPE_STRING","cpes":["cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*"],"vendor_product":"oracle:peoplesoft_enterprise_peopletools"},{"extracted_events":[{"last_affected":"13.4.1.0"},{"last_affected":"13.5.1.0"}],"source":"CPE_STRING","cpes":["cpe:2.3:a:oracle:real_user_experience_insight:13.4.1.0:*:*:*:*:*:*:*","cpe:2.3:a:oracle:real_user_experience_insight:13.5.1.0:*:*:*:*:*:*:*"],"vendor_product":"oracle:real_user_experience_insight"},{"extracted_events":[{"last_affected":"6.0"},{"last_affected":"7.0"},{"last_affected":"8.0"}],"source":"CPE_STRING","cpes":["cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*","cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*","cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*"],"vendor_product":"redhat:enterprise_linux"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujul2022.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202107-05"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210625-0002/"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1956522"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuoct2021.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gnome/libxml2","events":[{"introduced":"0"},{"fixed":"e1bcffea180d6cc0651757bb64284a763e0e2239"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.9.11"}],"cpe":"cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*","source":"CPE_RANGE"}}],"versions":["CVE-2021-3541","v2.9.10","v2.9.10-rc1","v2.9.9","v2.9.9-rc2","v2.9.9-rc1","v2.9.8","v2.9.8-rc1","v2.9.7","v2.9.7-rc1","v2.9.6","v2.9.6-rc1","v2.9.5","v2.9.5-rc2","v2.9.5-rc1","v2.9.4","CVE-2016-3627","CVE-2016-1833","CVE-2016-1835","CVE-2016-1837","CVE-2016-1836","CVE-2016-1839","CVE-2016-1838","CVE-2016-1840","CVE-2016-4449","CVE-2016-4483","CVE-2016-1834","CVE-2016-3705","v2.9.4-rc2","v2.9.4-rc1","CVE-2016-1762","v2.9.3","CVE-2015-8242","CVE-2015-7500","CVE-2015-7499-2","CVE-2015-7499-1","CVE-2015-5312","CVE-2015-7497","CVE-2015-7498","CVE-2015-8035","CVE-2015-7942-2","CVE-2015-7942","CVE-2015-8317","CVE-2015-1819","CVE-2015-7941_2","CVE-2015-7941_1","v2.9.2","CVE-2014-3660","v2.9.2-rc2","v2.9.2-rc1","CVE-2014-0191","v2.9.1","CVE-2013-2877","v2.9.0","v2.9.0-rc2","v2.8.0","v2.8.0-rc2","v2.8.0-rc1","v2.7.8","v2.7.7","v2.7.6","v2.7.5","v2.7.4","LIBXML2.7.3","LIBXML2.7.2","LIBXML2.7.1","LIBXML2.7.0","LIBXML2.6.32","LIBXML2_2_6_28","LIBXML2_2_6_27","LIBXML2_2_6_26","LIBXML2_2_6_24","LIBXML2_2_6_23","LIBXML2_2_6_22","LIBXML2_2_6_21","LIBXML2_2_6_20","LIBXML2_2_6_19","LIBXML2_2_6_18","LIBXML2_2_6_16","LIBXML2_2_6_15","LIBXML2_2_6_14","LIBXML2_2_6_13","LIBXML2_2_6_12","LIBXML2_2_6_11","LIBXML_2_6_10","LIBXML2_2_6_9","LIBXML2_2_6_8","LIBXML2_2_6_7","LIBXML2_2_6_6","LIBXML2_2_6_5","LIBXML2_2_6_4","LIBXML2_2_6_3","LIBXML2_2_6_2","LIBXML2_2_6_1","LIBXML2_6_0","LIBXML2_2_5_x","LIBXML2_2_5_10","LIBXML2_2_5_9","LIBXML2_2_5_8","LIBXML2_2_5_7","LIBXML_2_5_6","LIBXML_2_5_5","LIBXML_2_5_4","LIBXML_2_5_3","LIBXML_2_5_2","LIBXML_2_5_1","LIBXML2_2_5_0","LIBXML_2_4_30","LIBXML_2_4_29","LIBXML_2_4_27","LIBXML_2_4_26","LIBXML_2_4_25","LIBXML_2_4_24","LIBXML_2_4_23","LIBXML_2_4_22","LIBXML2_2_4_21","LIBXML_2_4_20","LIBXML_2_4_18","LIBXML_2_4_13","LIBXML_2_4_16","LIBXML_2_4_14","LIBXML_2_4_12","LIBXML_2_4_11","LIBXML_2_4_7","LIBXML_2_4_6","LIBXML_2_4_4","LIBXML_2_4_3","LIBXML_2_4_2","LIBXML_2_4_0","LIBXML_2_3_14","LIBXML_2_3_13","LIBXML_2_3_12","LIBXML_2_3_11","LIBXML_2_3_10","LIBXML_2_3_9","LIBXML_2_3_8","help","LIBXML_2_3_7","LIBXML_2_3_6","LIBXML_2_3_5","LIBXML_2_3_4","LIBXML_2_3_3","LIBXML_2_3_2","PRE_MUCKUP3","PRE_MUCKUP2","PRE_MUCKUP","LIBXML_2_3_0","LIBXML_2_2_8","LIBXML_2_2_7","LIBXML_2_2_6","LIBXML_2_2_4","GNOME_PRINT_0_24","LIBXML_2_2_3","LIBXML_2_2_1","LIBXML_2_1_1","LIBXML_2_1_0","LIB_XML_1_X","EAZEL-NAUTILUS-MS-AUG07","LIBXML_2_0_0","LIBXML_TEST_2_0_0","LIBXML_1_8_6","LIBXML_1_8_5","LIB_XML_1_8_3","LIB_XML_1_7_3","LIB_XML_1_7_1","LIB_XML_1_7_0","LIB_XML_1_6_2","LIB_XML_1_6_1","LIBXML_1_5_0","LIB_XML_1_4","LIB_XML_1_3","LIB_XML_1_1","FOR_GNOME_0_99_1","LIBXML_0_99","GNUMERIC_FIRST_PUBLIC_RELEASE","GNOME_0_30"],"database_specific":{"vanir_signatures":[{"target":{"file":"testapi.c"},"signature_type":"Line","deprecated":false,"id":"CVE-2021-3537-1aa97e63","signature_version":"v1","source":"https://github.com/gnome/libxml2/commit/e1bcffea180d6cc0651757bb64284a763e0e2239","digest":{"threshold":0.9,"line_hashes":["61551077790304056876126381115245055965","278846916215258117913027984776762678417","335982757857177150834168525661853921922","87840030754328165737181167332541198940","61551077790304056876126381115245055965","278846916215258117913027984776762678417","105711474186756975709469310745455797308","103706706750952072917010335478765316004","227047217400973127911964602216150042388","253258039250536385915162828640596572926","335982757857177150834168525661853921922","87840030754328165737181167332541198940","227047217400973127911964602216150042388","253258039250536385915162828640596572926","105711474186756975709469310745455797308","263486003320329746243870951465374401173","112950646771093583388072220651695062566","231864520689178078662381811343978537663","213333773092754020127207462965134162165","19008729915787537273927561381864711242","112950646771093583388072220651695062566","231864520689178078662381811343978537663","213333773092754020127207462965134162165","19008729915787537273927561381864711242","273240550832595461615251408636344817319","162912241845094166163791832543701405088","671650474723048413359612334217206008","22766956053755843453510076977580137201","13167474649499926961065524423099785312","83470413458974766405520199037916535562","276402490468899750538561900822383734744","333682037389609673181412300351361172030","9499193487410093391036358074880903632","30805303948970631633603096678317204355","93889085830397632709481663916004609330","229956981014592868447519071218013779439","240624245583924818381392266620352655927","223174899253645334504338538819361168413","294476493037697202535040764027097131119","129304591418198192271541858825325701656","140204848231080657012011575632498051783","75311632195512841680531928924350830586","256053888072821081238103619703165798762","235378452580802392739918607691411522119","244992818881073020881304797438692585130","66651940352215863530508914348900210359","48019944339009281467628355593178272818","106918772490863171659640772695582053951","116925370429586760959130651896312835976","148133004854708868535797103792350393744","102183146399774788380381559441867815797","308117370035021215489377534456228663968","187339639605561687559806077174150854909","130836858511549172127312257489846408951","52797561731550596294797782502825671297","313419538420946173683294680071732735569","246138447249870484217065672110268629284"]}},{"target":{"function":"test_xmlIO","file":"testapi.c"},"signature_type":"Function","deprecated":false,"id":"CVE-2021-3537-4ad7707d","signature_version":"v1","source":"https://github.com/gnome/libxml2/commit/e1bcffea180d6cc0651757bb64284a763e0e2239","digest":{"function_hash":"198329610838053062539893085088781189951","length":1155}}],"vanir_signatures_modified":"2026-05-30T17:27:16Z","source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3537.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}