{"id":"CVE-2022-25235","details":"xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.","modified":"2026-05-18T05:55:43.626342109Z","published":"2022-02-16T00:40:20Z","related":["ALSA-2022:0818","ALSA-2022:0845","ALSA-2022:0951","ALSA-2022:1643","ALSA-2022:7811","SUSE-SU-2022:0698-1","SUSE-SU-2022:0713-1","SUSE-SU-2022:14903-1","SUSE-SU-2022:2294-1","openSUSE-SU-2022:0713-1","openSUSE-SU-2024:11866-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/25xxx/CVE-2022-25235.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/25xxx/CVE-2022-25235.json"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-25235"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202209-24"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20220303-0008/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2022/dsa-5085"},{"type":"FIX","url":"https://github.com/libexpat/libexpat/pull/562"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2022/02/19/1"},{"type":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libexpat/libexpat","events":[{"introduced":"0"},{"fixed":"97a4840578693a346e79302909b67d97492e1880"}]}],"versions":["R_2_4_4","R_2_4_3","R_2_4_2","R_2_4_1","R_2_4_0","R_2_3_0","R_2_2_10","R_2_2_9","R_2_2_8","R_2_2_7","R_2_2_6","R_2_2_5","R_2_2_4","R_2_2_3","R_2_2_2","R_2_2_1","R_2_2_0","R_2_1_1","R_2_1_0","R_2_0_1","R_2_0_0","R_1_95_8","R_1_95_7","R_1_95_6","R_1_95_5","R_1_95_4","R_1_95_3","R_1_95_2","R_1_95_0","libexpat-alpha-1","start","sourceforge_init","jclark-orig","V20000512","V19991013","V19990728","V19990709","V19990626","V1_1","V19990425","V1990307","V19990109","V19981231","V19981122","V1_0","beta4","beta3","beta2","REC1_0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-25235.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}