{"id":"CVE-2023-29420","details":"An issue was discovered in libbzip3.a in bzip3 before 1.2.3. There is a crash caused by an invalid memmove in bz3_decode_block.","modified":"2026-04-12T03:51:12.707548Z","published":"2023-04-06T05:15:07.613Z","references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NA7S7HDUAINOTCSWQZ5LIW756DYY22V2/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMLFV2FJK3CM7NJLVPZI5RUAFQZICPWW/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4JLSE25SV7K2NB6FTFT4UHJOJUHBHYHY/"},{"type":"ADVISORY","url":"https://github.com/kspalaiologos/bzip3/compare/1.2.2...1.2.3"},{"type":"FIX","url":"https://github.com/kspalaiologos/bzip3/commit/bb06deb85f1c249838eb938e0dab271d4194f8fa"},{"type":"FIX","url":"https://github.com/kspalaiologos/bzip3/issues/92"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/iczelia/bzip3","events":[{"introduced":"0"},{"fixed":"bb06deb85f1c249838eb938e0dab271d4194f8fa"}]},{"type":"GIT","repo":"https://github.com/kspalaiologos/bzip3","events":[{"introduced":"0"},{"fixed":"3bf1483853b7d3371b4a6beb186cbddcaf45d25e"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.2.3"}]}}],"versions":["1.0.0","1.0.1","1.1.0","1.1.1","1.1.2","1.1.3","1.1.4","1.1.5","1.1.6","1.1.7","1.1.8","1.2.0","1.2.1","1.2.2","corpus"],"database_specific":{"vanir_signatures":[{"signature_version":"v1","signature_type":"Function","target":{"file":"src/libbz3.c","function":"bz3_decode_block"},"digest":{"function_hash":"78927651910423473054068276738405572694","length":2428},"id":"CVE-2023-29420-c1508cb8","source":"https://github.com/iczelia/bzip3/commit/bb06deb85f1c249838eb938e0dab271d4194f8fa","deprecated":false},{"signature_version":"v1","signature_type":"Line","target":{"file":"src/libbz3.c"},"digest":{"line_hashes":["176151160024430871228388812718175632404","148928673947002201083747821524943350945","305471874631366783360112357820524980417","90638596750532673362592108567729244609"],"threshold":0.9},"id":"CVE-2023-29420-f8920d99","source":"https://github.com/iczelia/bzip3/commit/bb06deb85f1c249838eb938e0dab271d4194f8fa","deprecated":false}],"vanir_signatures_modified":"2026-04-12T03:51:12Z","source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-29420.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}