{"id":"CVE-2025-61962","details":"In fetchmail before 6.5.6, the SMTP client can crash when authenticating upon receiving a 334 status code in a malformed context.","modified":"2026-08-12T03:51:46.184068819Z","published":"2025-10-04T00:00:00Z","related":["SUSE-SU-2025:3845-1","SUSE-SU-2025:3966-1","SUSE-SU-2026:20935-1","openSUSE-SU-2025:15653-1","openSUSE-SU-2026:20432-1"],"database_specific":{"cwe_ids":["CWE-142"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/61xxx/CVE-2025-61962.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2025/10/04/3"},{"type":"WEB","url":"https://www.fetchmail.info/fetchmail-SA-2025-01.txt"},{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2025/10/03/2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/61xxx/CVE-2025-61962.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-61962"},{"type":"FIX","url":"https://gitlab.com/fetchmail/fetchmail/-/commit/4c3cebfa4e659fb778ca2cae0ccb3f69201609a8"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/fetchmail/fetchmail","events":[{"introduced":"45f7b08b6abff402a2feaadbdda4ff33155ef6ef"},{"fixed":"89bf3b812858f50c39292c598fce59e671ac5f00"}],"database_specific":{"extracted_events":[{"introduced":"5.9.9"},{"fixed":"6.5.6"}],"source":"AFFECTED_FIELD"}}],"versions":["6.5.5","6.5.5.rc1","6.5.4","6.5.3","6.5.2","6.5.1","6.5.1.rc1","6.5.0","6.5.0.rc2","6.5.0.rc1","6.5.0.beta10","6.5.0.beta9","6.5.0.beta8","6.5.0.beta7","SNAPSHOT_6-5-0-beta6","6.5.0.beta6","SNAPSHOT_6-5-0-beta5","6.5.0.beta5","SNAPSHOT_6-5-0-beta4","6.5.0.beta4","SNAPSHOT_6-5-0-beta3","6.5.0.beta3","badmerge","SNAPSHOT-6-5-0-beta2","6.5.0.beta2","SNAPSHOT_6-5-0-beta1","6.5.0.beta1","6.5.0.dev20200711b","6.5.0.dev20200711a","SNAPSHOT-6_4_0_rc3","SNAPSHOT-6_4_0_rc2","SNAPSHOT-6_4_0_rc1","SNAPSHOT-6_4_0_beta5","SNAPSHOT-6_4_0_beta4","SNAPSHOT-6_4_0_beta3","SNAPSHOT-6_4_0_beta2","RELEASE_6-3-26","RELEASE_6-3-25","RELEASE_6-3-24","RELEASE_6-3-23","RELEASE_6-3-22","RELEASE_6-3-21","RELEASE_6-3-20","SNAPSHOT_6-3-20-rc3","SNAPSHOT_6-3-20-rc2","SNAPSHOT_6-3-20-pre1","RELEASE_6-3-19","SNAPSHOT_6-3-19-pre1","RELEASE_6-3-18","SNAPSHOT_6-3-18-pre2","SNAPSHOT_6-3-18-pre1","RELEASE_6-3-17","SNAPSHOT_6-3-17-pre1","RELEASE_6-3-16","RELEASE_6-3-15","SNAPSHOT_6-3-15-beta3","SNAPSHOT_6-3-15-beta2","SNAPSHOT_6-3-15-beta1","RELEASE_6-3-8","BRANCH_6-3","RELEASE_6-3-14","RELEASE_6-3-13","RELEASE_6-3-12","RELEASE_6-3-11","RELEASE_6-3-10","SNAPSHOT_6-3-10-beta1","RELEASE_6-3-9","RELEASE_6-3-9_5248","SNAPSHOT_6-3-9-rc3","SNAPSHOT_6-3-9-rc2","SNAPSHOT_6-3-9-rc1","RELEASE_6-3-8_5093","SNAPSHOT_6-3-8-rc3","SNAPSHOT_6-3-8-rc2","SNAPSHOT_6-3-8-rc1","RELEASE_6-3-7","SNAPSHOT_6-3-7-rc1","RELEASE_6-3-6","SNAPSHOT_6-3-6-rc5","SNAPSHOT_6-3-6-rc4","SNAPSHOT_6-3-6-rc3","SNAPSHOT_6-3-6-rc2","SNAPSHOT_6-3-6-rc1","RELEASE_6-3-5","SNAPSHOT_6-3-5-beta3","SNAPSHOT_6-3-5-beta2","SNAPSHOT_6-3-5-beta1","RELEASE_6-3-4","SNAPSHOT_6-3-4-rc2","SNAPSHOT_6-3-4-rc1","RELEASE_6-3-3","SNAPSHOT_6-3-3-rc2","SNAPSHOT_6-3-3-rc1","RELEASE_6-3-2","RELEASE_6-3-2_4678","SNAPSHOT_6-3-2-rc4","SNAPSHOT_6-3-2-rc3","SNAPSHOT_6-3-2-rc2","SNAPSHOT_6-3-2-rc1","RELEASE_6-3-1","SNAPSHOT_6-3-1-rc1","RELEASE_6-3-0","SNAPSHOT-6_2_9-rc10","SNAPSHOT-6_2_9-rc9","RELEASE_6-2-5","SNAPSHOT-6_2_9-rc8","SNAPSHOT-6_2_9-rc7","SNAPSHOT-6_2_9-rc6","SNAPSHOT-6_2_9-rc5","SNAPSHOT-6_2_9-rc4","SNAPSHOT-6_2_9-rc3","SNAPSHOT-6_2_9-rc2","SNAPSHOT-6_2_9-rc1","SNAPSHOT-6_2_6-pre9","SNAPSHOT-6_2_6-pre8","SNAPSHOT-6_2_6-pre7","SNAPSHOT-6_2_6-pre6","SNAPSHOT-6_2_6-pre5","SNAPSHOT_6-2-6-pre4","SNAPSHOT_6-2-6-pre3","before-automake","RELEASE_6-2-4","RELEASE_6-2-3","RELEASE_6-2-2","RELEASE_6-2-1","RELEASE_6-2-0","RELEASE_6-1-3","RELEASE_6-1-2","RELEASE_6-1-1","RELEASE_6-1-0","RELEASE_6-0-0","RELEASE_5-9-14","RELEASE_5-9-13","RELEASE_5-9-12","RELEASE_5-9-11","RELEASE_5-9-10","RELEASE_5-9-9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-61962.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}