{"id":"CVE-2023-29421","details":"An issue was discovered in libbzip3.a in bzip3 before 1.2.3. There is an out-of-bounds write in bz3_decode_block.","modified":"2026-05-28T03:54:22.533563032Z","published":"2023-04-06T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/29xxx/CVE-2023-29421.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://github.com/kspalaiologos/bzip3/compare/1.2.2...1.2.3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/29xxx/CVE-2023-29421.json"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4JLSE25SV7K2NB6FTFT4UHJOJUHBHYHY/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NA7S7HDUAINOTCSWQZ5LIW756DYY22V2/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMLFV2FJK3CM7NJLVPZI5RUAFQZICPWW/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-29421"},{"type":"REPORT","url":"https://github.com/kspalaiologos/bzip3/issues/94"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/iczelia/bzip3","events":[{"introduced":"0"},{"fixed":"3bf1483853b7d3371b4a6beb186cbddcaf45d25e"}]}],"versions":["1.2.2","1.2.1","1.2.0","1.1.8","1.1.7","1.1.6","1.1.5","1.1.4","1.1.3","1.1.2","1.1.1","1.1.0","1.0.1","1.0.0","corpus"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-29421.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:H/I:H/A:H"}]}