{"id":"CVE-2022-4121","details":"In libetpan a null pointer dereference in mailimap_mailbox_data_status_free in low-level/imap/mailimap_types.c was found that could lead to a remote denial of service or other potential consequences.","modified":"2026-05-19T01:02:33.424263Z","published":"2023-01-17T00:00:00Z","database_specific":{"cna_assigner":"fedora","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4121.json","cwe_ids":["CWE-476"]},"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/07/msg00018.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4121.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4121"},{"type":"REPORT","url":"https://github.com/dinhvh/libetpan/issues/420"},{"type":"FIX","url":"https://github.com/dinhvh/libetpan/commit/5c9eb6b6ba64c4eb927d7a902317410181aacbba"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dinhvh/libetpan","events":[{"introduced":"0"},{"fixed":"5c9eb6b6ba64c4eb927d7a902317410181aacbba"}],"database_specific":{"source":"REFERENCES"}}],"versions":["1.9.4","1.9.3","1.9.2","1.9.1","1.9","1.8","1.7.2","1.7","1.6","1.5","1.4.1","1.4","1.3.pre2","1.3.pre1","1.2.pre1","1.2"],"database_specific":{"vanir_signatures":[{"signature_version":"v1","source":"https://github.com/dinhvh/libetpan/commit/5c9eb6b6ba64c4eb927d7a902317410181aacbba","signature_type":"Line","digest":{"threshold":0.9,"line_hashes":["136831056444614702227994890874989346641","233555195180992856129876808962010765212","227297486306222081593934099300875992174","151753167177528426618876804658110624934","1518586767663395309298773587518611515","57999528091877116686262183161860171780"]},"id":"CVE-2022-4121-8617888f","deprecated":false,"target":{"file":"src/low-level/imap/mailimap_types.c"}},{"signature_version":"v1","source":"https://github.com/dinhvh/libetpan/commit/5c9eb6b6ba64c4eb927d7a902317410181aacbba","signature_type":"Function","digest":{"length":211,"function_hash":"56817472293002076795102714728266123810"},"id":"CVE-2022-4121-b7128ed4","deprecated":false,"target":{"function":"mailimap_mailbox_data_status_free","file":"src/low-level/imap/mailimap_types.c"}}],"vanir_signatures_modified":"2026-05-19T01:02:33Z","source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-4121.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}