{"id":"CVE-2021-3518","details":"There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.","aliases":["GHSA-v4f8-2847-rwm7"],"modified":"2026-04-09T08:06:06.377058Z","published":"2021-05-18T12:15:08.043Z","related":["ALSA-2021:2569","MGASA-2021-0213","SUSE-SU-2021:14729-1","SUSE-SU-2021:1523-1","SUSE-SU-2021:1524-1","SUSE-SU-2021:1654-1","SUSE-SU-2021:1658-1","openSUSE-SU-2021:0692-1","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"],"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujul2022.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202107-05"},{"type":"ADVISORY","url":"https://support.apple.com/kb/HT212604"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2021/Jul/54"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210625-0002/"},{"type":"ADVISORY","url":"https://support.apple.com/kb/HT212601"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2021/Jul/59"},{"type":"ADVISORY","url":"https://support.apple.com/kb/HT212605"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html"},{"type":"ADVISORY","url":"https://support.apple.com/kb/HT212602"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2021/Jul/55"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2021/Jul/58"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1954242"},{"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":{"versions":[{"introduced":"0"},{"fixed":"2.9.11"}]}}],"versions":["CVE-2013-2877","CVE-2014-0191","CVE-2014-3660","CVE-2015-1819","CVE-2015-5312","CVE-2015-7497","CVE-2015-7498","CVE-2015-7499-1","CVE-2015-7499-2","CVE-2015-7500","CVE-2015-7941_1","CVE-2015-7941_2","CVE-2015-7942","CVE-2015-7942-2","CVE-2015-8035","CVE-2015-8242","CVE-2015-8317","CVE-2016-1762","CVE-2016-1833","CVE-2016-1834","CVE-2016-1835","CVE-2016-1836","CVE-2016-1837","CVE-2016-1838","CVE-2016-1839","CVE-2016-1840","CVE-2016-3627","CVE-2016-3705","CVE-2016-4449","CVE-2016-4483","CVE-2021-3541","EAZEL-NAUTILUS-MS-AUG07","FOR_GNOME_0_99_1","GNOME_0_30","GNOME_PRINT_0_24","GNUMERIC_FIRST_PUBLIC_RELEASE","LIBXML2.6.32","LIBXML2.7.0","LIBXML2.7.1","LIBXML2.7.2","LIBXML2.7.3","LIBXML2_2_4_21","LIBXML2_2_5_0","LIBXML2_2_5_10","LIBXML2_2_5_7","LIBXML2_2_5_8","LIBXML2_2_5_9","LIBXML2_2_5_x","LIBXML2_2_6_1","LIBXML2_2_6_11","LIBXML2_2_6_12","LIBXML2_2_6_13","LIBXML2_2_6_14","LIBXML2_2_6_15","LIBXML2_2_6_16","LIBXML2_2_6_18","LIBXML2_2_6_19","LIBXML2_2_6_2","LIBXML2_2_6_20","LIBXML2_2_6_21","LIBXML2_2_6_22","LIBXML2_2_6_23","LIBXML2_2_6_24","LIBXML2_2_6_26","LIBXML2_2_6_27","LIBXML2_2_6_28","LIBXML2_2_6_3","LIBXML2_2_6_4","LIBXML2_2_6_5","LIBXML2_2_6_6","LIBXML2_2_6_7","LIBXML2_2_6_8","LIBXML2_2_6_9","LIBXML2_6_0","LIBXML_0_99","LIBXML_1_5_0","LIBXML_1_8_5","LIBXML_1_8_6","LIBXML_2_0_0","LIBXML_2_1_0","LIBXML_2_1_1","LIBXML_2_2_1","LIBXML_2_2_3","LIBXML_2_2_4","LIBXML_2_2_6","LIBXML_2_2_7","LIBXML_2_2_8","LIBXML_2_3_0","LIBXML_2_3_10","LIBXML_2_3_11","LIBXML_2_3_12","LIBXML_2_3_13","LIBXML_2_3_14","LIBXML_2_3_2","LIBXML_2_3_3","LIBXML_2_3_4","LIBXML_2_3_5","LIBXML_2_3_6","LIBXML_2_3_7","LIBXML_2_3_8","LIBXML_2_3_9","LIBXML_2_4_0","LIBXML_2_4_11","LIBXML_2_4_12","LIBXML_2_4_13","LIBXML_2_4_14","LIBXML_2_4_16","LIBXML_2_4_18","LIBXML_2_4_2","LIBXML_2_4_20","LIBXML_2_4_22","LIBXML_2_4_23","LIBXML_2_4_24","LIBXML_2_4_25","LIBXML_2_4_26","LIBXML_2_4_27","LIBXML_2_4_29","LIBXML_2_4_3","LIBXML_2_4_30","LIBXML_2_4_4","LIBXML_2_4_6","LIBXML_2_4_7","LIBXML_2_5_1","LIBXML_2_5_2","LIBXML_2_5_3","LIBXML_2_5_4","LIBXML_2_5_5","LIBXML_2_5_6","LIBXML_2_6_10","LIBXML_TEST_2_0_0","LIB_XML_1_1","LIB_XML_1_3","LIB_XML_1_4","LIB_XML_1_6_1","LIB_XML_1_6_2","LIB_XML_1_7_0","LIB_XML_1_7_1","LIB_XML_1_7_3","LIB_XML_1_8_3","LIB_XML_1_X","PRE_MUCKUP","PRE_MUCKUP2","PRE_MUCKUP3","help","v2.7.4","v2.7.5","v2.7.6","v2.7.7","v2.7.8","v2.8.0","v2.8.0-rc1","v2.8.0-rc2","v2.9.0","v2.9.0-rc2","v2.9.1","v2.9.10","v2.9.10-rc1","v2.9.2","v2.9.2-rc1","v2.9.2-rc2","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