{"schemaVersion":3,"id":"CVE-2022-45412","aliases":["UBUNTU-CVE-2022-45412","DEBIAN-CVE-2022-45412"],"status":"published","duplicateOf":null,"title":null,"description":"When resolving a symlink such as <code>file:///proc/self/fd/1</code>, an error message may be produced where the symlink was resolved to a string containing unitialized memory in the buffer. <br>*This bug only affects Thunderbird on Unix-based operated systems (Android, Linux, MacOS). Windows is unaffected.*. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.","dates":{"published":"2022-12-22T00:00:00.000Z","modified":"2025-04-15T15:05:32.152Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.8,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":8.8,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":8.8,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":7.2,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":8.8,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":7.2,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":8.8,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00811,"percentile":0.56201,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0.02199999999999997,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00789},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00811,"percentile":0.56201}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00789,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00811,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00811,"percentile":0.56201}]},"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":[{"id":"CWE-59","name":"Improper Link Resolution Before File Access ('Link Following')","description":"The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/59.html"}],"affected":[{"vendor":"debian","product":"firefox-esr","name":"firefox-esr","label":"firefox-esr","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/firefox-esr","purlType":"deb","versions":[{"text":"< 102.5.0esr-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 102.5.0esr-1","eol":null,"hubHref":null},{"vendor":"debian","product":"thunderbird","name":"thunderbird","label":"thunderbird","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/thunderbird","purlType":"deb","versions":[{"text":"< 1:102.5.0-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:102.5.0-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"mozjs38","name":"mozjs38","label":"mozjs38","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/mozjs38","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"mozjs52","name":"mozjs52","label":"mozjs52","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/mozjs52","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"mozjs68","name":"mozjs68","label":"mozjs68","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/mozjs68","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"mozjs78","name":"mozjs78","label":"mozjs78","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/mozjs78","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"mozjs91","name":"mozjs91","label":"mozjs91","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/mozjs91","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","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":"< 1:102.7.1+build2-0ubuntu0.18.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 1:102.7.1+build2-0ubuntu0.20.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 1:102.7.1+build2-0ubuntu0.22.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:102.7.1+build2-0ubuntu0.18.04.1 | < 1:102.7.1+build2-0ubuntu0.20.04.1 | < 1:102.7.1+build2-0ubuntu0.22.04.1","eol":null,"hubHref":null},{"vendor":"mozilla","product":"firefox","name":"Firefox","label":"firefox","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ unspecified, < 107","noFixRecorded":false,"fixedIn":null},{"text":"< 107.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ unspecified, < 107 | < 107.0","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"firefox","label":"Firefox","category":"app"}},"hubHref":"/vendor/mozilla/firefox"},{"vendor":"mozilla","product":"firefox_esr","name":"firefox esr","label":"firefox_esr","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ unspecified, < 102.5","noFixRecorded":false,"fixedIn":null},{"text":"< 102.5","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ unspecified, < 102.5 | < 102.5","eol":null,"hubHref":"/vendor/mozilla/firefox_esr"},{"vendor":"mozilla","product":"thunderbird","name":"Thunderbird","label":"thunderbird","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ unspecified, < 102.5","noFixRecorded":false,"fixedIn":null},{"text":"< 102.5","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ unspecified, < 102.5 | < 102.5","eol":null,"hubHref":"/vendor/mozilla/thunderbird"}],"affectedCount":11,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.mozilla.org/security/advisories/mfsa2022-47/","label":"www.mozilla.org/security/advisories/mfsa2022-47/","hostname":"www.mozilla.org","tags":["Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2022-49/","label":"www.mozilla.org/security/advisories/mfsa2022-49/","hostname":"www.mozilla.org","tags":["Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2022-48/","label":"www.mozilla.org/security/advisories/mfsa2022-48/","hostname":"www.mozilla.org","tags":["Vendor Advisory"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1791029","label":"bugzilla.mozilla.org/show_bug.cgi?id=1791029","hostname":"bugzilla.mozilla.org","tags":["Issue Tracking","Permissions Required","Vendor Advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-45412","label":"ubuntu.com/security/CVE-2022-45412","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2022-47/#CVE-2022-45412","label":"www.mozilla.org/en-US/security/advisories/mfsa2022-47/","hostname":"www.mozilla.org","tags":["REPORT"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2022-48/#CVE-2022-45412","label":"www.mozilla.org/en-US/security/advisories/mfsa2022-48/","hostname":"www.mozilla.org","tags":["REPORT"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2022-49/#CVE-2022-45412","label":"www.mozilla.org/en-US/security/advisories/mfsa2022-49/","hostname":"www.mozilla.org","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-5726-1","label":"ubuntu.com/security/notices/USN-5726-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/notices/USN-5824-1","label":"ubuntu.com/security/notices/USN-5824-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-45412","label":"www.cve.org/CVERecord?id=CVE-2022-45412","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-45412","label":"security-tracker.debian.org/tracker/CVE-2022-45412","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["DLA-3196-1","DLA-3199-1","DSA-5282-1","DSA-5284-1","MGASA-2022-0427","MGASA-2022-0428","OPENSUSE-SU-2024:12518-1","OPENSUSE-SU-2024:12519-1","OPENSUSE-SU-2024:12532-1","OPENSUSE-SU-2024:14572-1","RHSA-2022:8543","RHSA-2022:8544","RHSA-2022:8545","RHSA-2022:8547","RHSA-2022:8548","RHSA-2022:8549","RHSA-2022:8550","RHSA-2022:8552","RHSA-2022:8553","RHSA-2022:8554","RHSA-2022:8555","RHSA-2022:8556","RHSA-2022:8561","RHSA-2022:8580","RHSA-2022:8979","RHSA-2022:8980","SUSE-SU-2022:4058-1","SUSE-SU-2022:4083-1","SUSE-SU-2022:4085-1","SUSE-SU-2022:4247-1","USN-5726-1","USN-5824-1"],"duplicates":[],"related":["OPENSUSE-SU-2024:12518-1","OPENSUSE-SU-2024:12519-1","OPENSUSE-SU-2024:12532-1","OPENSUSE-SU-2024:14572-1","SUSE-SU-2022:4058-1","SUSE-SU-2022:4083-1","SUSE-SU-2022:4085-1","SUSE-SU-2022:4247-1","USN-5726-1","USN-5824-1"]},"timeline":[{"kind":"published","date":"2022-12-22T00:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-04-15T15:05:32.152Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":35,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T21:02:13.369Z","stale":false,"partial":false}}