{"schemaVersion":3,"id":"CVE-2025-3877","aliases":["UBUNTU-CVE-2025-3877"],"status":"rejected","duplicateOf":null,"title":null,"description":"Rejected reason: This CVE was marked as fixed, but due to other code landing - was not actually fixed.  It was subsequently fixed in CVE-2025-5986.","dates":{"published":"2025-05-14T16:56:43.402Z","modified":"2025-06-11T12:10:53.177Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.4,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","computed":true,"selection":"version-preference"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":5.4,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","exploitability":7.2,"impact":4.2,"computed":true}]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"debian","product":"thunderbird","name":"thunderbird","label":"thunderbird","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/thunderbird","purlType":"deb","versions":[{"text":"< 1:128.10.1esr-1~deb11u1","noFixRecorded":false,"fixedIn":null},{"text":"< 1:128.10.1esr-1~deb12u1","noFixRecorded":false,"fixedIn":null},{"text":"< 1:128.10.1esr-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:128.10.1esr-1~deb11u1 | < 1:128.10.1esr-1~deb12u1 | < 1:128.10.1esr-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"thunderbird","name":"thunderbird","label":"thunderbird","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/thunderbird","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/CVE-2025-3877","label":"ubuntu.com/security/CVE-2025-3877","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-3877","label":"www.cve.org/CVERecord?id=CVE-2025-3877","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2025-34/#CVE-2025-3877","label":"www.mozilla.org/en-US/security/advisories/mfsa2025-34/","hostname":"www.mozilla.org","tags":["REPORT"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1958580","label":"bugzilla.mozilla.org/show_bug.cgi?id=1958580","hostname":"bugzilla.mozilla.org","tags":["REPORT"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-34/","label":"www.mozilla.org/security/advisories/mfsa2025-34/","hostname":"www.mozilla.org","tags":["REPORT"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-35/","label":"www.mozilla.org/security/advisories/mfsa2025-35/","hostname":"www.mozilla.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-3877","label":"security-tracker.debian.org/tracker/CVE-2025-3877","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["MGASA-2025-0168","OPENSUSE-SU-2025:15131-1","RHSA-2025:8196","RHSA-2025:8203","RHSA-2025:8324","RHSA-2025:8325","RHSA-2025:8326","RHSA-2025:8391","RHSA-2025:8507","RHSA-2025:8594","RHSA-2025:8756","RHSA-2025:8784","SUSE-SU-2025:01660-1","SUSE-SU-2025:01660-2"],"duplicates":[],"related":["OPENSUSE-SU-2025:15131-1","SUSE-SU-2025:01660-1","SUSE-SU-2025:01660-2"]},"timeline":[{"kind":"published","date":"2025-05-14T16:56:43.402Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-06-11T12:10:53.177Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":22,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T18:26:29.177Z","stale":false,"partial":false}}