{"schemaVersion":3,"id":"CVE-2025-8039","aliases":["UBUNTU-CVE-2025-8039","CGA-5vg3-q4gh-57j5","CGA-mqmg-f48p-mmvq","CGA-64qq-c8wj-h7h3","CGA-g64p-pgr3-7r75"],"status":"published","duplicateOf":null,"title":null,"description":"In some cases search terms persisted in the URL bar even after navigating away from the search page. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.","dates":{"published":"2025-07-22T20:49:27.191Z","modified":"2026-07-29T14:58:23.325Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.1,"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:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":8.1,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":8.1,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","exploitability":7.2,"impact":8.7,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":8.1,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00317,"percentile":0.23152,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0.029999999999999992,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00287},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00287,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00287,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00287,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00287,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00287,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00287,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00287,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00317,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00317,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00317,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00317,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00317,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00317,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00317,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00317,"percentile":0.23152}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00287,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00287,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00317,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00317,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00317,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00317,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00317,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00317,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00317,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00317,"percentile":0.23152}]},"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-200","name":"Exposure of Sensitive Information to an Unauthorized Actor","description":"The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/200.html"}],"affected":[{"vendor":"chainguard","product":"firefox","name":"firefox","label":"firefox","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/firefox","purlType":"apk","versions":[{"text":"< 140.1-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.1-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"firefox-esr","name":"firefox-esr","label":"firefox-esr","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/firefox-esr","purlType":"apk","versions":[{"text":"< 140.1-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.1-r0","eol":null,"hubHref":null},{"vendor":"wolfi","product":"firefox","name":"firefox","label":"firefox","ecosystem":"Wolfi","cpePart":null,"purl":"pkg:apk/wolfi/firefox","purlType":"apk","versions":[{"text":"< 140.1-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.1-r0","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"mozjs102","name":"mozjs102","label":"mozjs102","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/mozjs102","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"mozjs115","name":"mozjs115","label":"mozjs115","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/mozjs115","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","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":"< 1:140.7.1+build1-0ubuntu0.22.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:140.7.1+build1-0ubuntu0.22.04.1","eol":null,"hubHref":null},{"vendor":"mozilla","product":"firefox","name":"Firefox","label":"firefox","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 140.1","noFixRecorded":false,"fixedIn":null},{"text":"< 141.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.1 | < 141.0","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"firefox","label":"Firefox","category":"app"}},"hubHref":"/vendor/mozilla/firefox"},{"vendor":"mozilla","product":"thunderbird","name":"Thunderbird","label":"thunderbird","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 140.1","noFixRecorded":false,"fixedIn":null},{"text":"< 141.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 140.1 | < 141.0","eol":null,"hubHref":"/vendor/mozilla/thunderbird"}],"affectedCount":13,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1970997","label":"bugzilla.mozilla.org/show_bug.cgi?id=1970997","hostname":"bugzilla.mozilla.org","tags":["REPORT","Permissions Required"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-56/","label":"www.mozilla.org/security/advisories/mfsa2025-56/","hostname":"www.mozilla.org","tags":["REPORT","Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-59/","label":"www.mozilla.org/security/advisories/mfsa2025-59/","hostname":"www.mozilla.org","tags":["REPORT","Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-61/","label":"www.mozilla.org/security/advisories/mfsa2025-61/","hostname":"www.mozilla.org","tags":["REPORT","Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-63/","label":"www.mozilla.org/security/advisories/mfsa2025-63/","hostname":"www.mozilla.org","tags":["REPORT","Vendor Advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-8039","label":"ubuntu.com/security/CVE-2025-8039","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-8039","label":"www.cve.org/CVERecord?id=CVE-2025-8039","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2025-56/#CVE-2025-8039","label":"www.mozilla.org/en-US/security/advisories/mfsa2025-56/","hostname":"www.mozilla.org","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-7991-1","label":"ubuntu.com/security/notices/USN-7991-1","hostname":"ubuntu.com","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["OPENSUSE-SU-2025:15371-1","OPENSUSE-SU-2025:15383-1","OPENSUSE-SU-2025:15386-1","SUSE-SU-2025:02529-1","SUSE-SU-2025:02531-1","SUSE-SU-2025:02546-1"],"duplicates":[],"related":["CGA-MX8C-522M-4MH9","OPENSUSE-SU-2025:15371-1","OPENSUSE-SU-2025:15383-1","OPENSUSE-SU-2025:15386-1","SUSE-SU-2025:02529-1","SUSE-SU-2025:02531-1","SUSE-SU-2025:02546-1","USN-7991-1"]},"timeline":[{"kind":"published","date":"2025-07-22T20:49:27.191Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-07-29T14:58:23.325Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":32,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T06:39:32.330Z","stale":false,"partial":false}}