{"schemaVersion":3,"id":"CVE-2026-84141","aliases":["UBUNTU-CVE-2026-84141","CGA-523h-gv8w-9vcx","CGA-6grp-g4mm-mqc5","CGA-h6mw-pxc5-c2r7","CGA-p256-hp52-xxwr"],"status":"published","duplicateOf":null,"title":null,"description":"Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.","dates":{"published":"2026-09-01T12:19:08.065Z","modified":"2026-09-03T17:23:46.546Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00342,"percentile":0.26253,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00342},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00342,"percentile":0.26253}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0063,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00342,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00342,"percentile":0.26253}]},"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-190","name":"Integer Overflow or Wraparound","description":"The product performs a calculation that can\n         produce an integer overflow or wraparound when the logic\n         assumes that the resulting value will always be larger than\n         the original value. This occurs when an integer value is\n         incremented to a value that is too large to store in the\n         associated representation. When this occurs, the value may\n         become a very small or negative number.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/190.html"}],"affected":[{"vendor":"chainguard","product":"firefox","name":"firefox","label":"firefox","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/firefox","purlType":"apk","versions":[{"text":"< 155.0.1-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 155.0.1-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"firefox-docker-selenium-compat","name":"firefox-docker-selenium-compat","label":"firefox-docker-selenium-compat","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/firefox-docker-selenium-compat","purlType":"apk","versions":[{"text":"< 155.0.1-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 155.0.1-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":"< 155.0.1-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 155.0.1-r0","eol":null,"hubHref":null},{"vendor":"wolfi","product":"firefox-docker-selenium-compat","name":"firefox-docker-selenium-compat","label":"firefox-docker-selenium-compat","ecosystem":"Wolfi","cpePart":null,"purl":"pkg:apk/wolfi/firefox-docker-selenium-compat","purlType":"apk","versions":[{"text":"< 155.0.1-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 155.0.1-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":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"mozilla","product":"firefox","name":"Firefox","label":"firefox","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 153.2.0","noFixRecorded":false,"fixedIn":null},{"text":"≥ 154.0.0, < 155.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 153.2.0 | ≥ 154.0.0, < 155.0.0","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":"< 153.2.0","noFixRecorded":false,"fixedIn":null},{"text":"≥ 154.0, < 155.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 153.2.0 | ≥ 154.0, < 155.0","eol":null,"hubHref":"/vendor/mozilla/thunderbird"}],"affectedCount":14,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2063994","label":"bugzilla.mozilla.org/show_bug.cgi?id=2063994","hostname":"bugzilla.mozilla.org","tags":["Issue Tracking"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-82/","label":"www.mozilla.org/security/advisories/mfsa2026-82/","hostname":"www.mozilla.org","tags":["Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-85/","label":"www.mozilla.org/security/advisories/mfsa2026-85/","hostname":"www.mozilla.org","tags":["Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-86/","label":"www.mozilla.org/security/advisories/mfsa2026-86/","hostname":"www.mozilla.org","tags":["Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-88/","label":"www.mozilla.org/security/advisories/mfsa2026-88/","hostname":"www.mozilla.org","tags":["Vendor Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-84141","label":"ubuntu.com/security/CVE-2026-84141","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-84141","label":"www.cve.org/CVERecord?id=CVE-2026-84141","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2026-82/#CVE-2026-84141","label":"www.mozilla.org/en-US/security/advisories/mfsa2026-82/","hostname":"www.mozilla.org","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":["MGASA-2026-0387","MGASA-2026-0388","OPENSUSE-SU-2026:11666-1","OPENSUSE-SU-2026:11677-1","OPENSUSE-SU-2026:12098-1","OPENSUSE-SU-2026:21853-1","SUSE-SU-2026:23784-1","SUSE-SU-2026:4140-1","SUSE-SU-2026:4156-1","SUSE-SU-2026:4268-1"],"duplicates":[],"related":["CGA-F88V-V3FJ-3JGV","OPENSUSE-SU-2026:11666-1","OPENSUSE-SU-2026:11677-1","OPENSUSE-SU-2026:12098-1","OPENSUSE-SU-2026:21853-1","SUSE-SU-2026:23784-1","SUSE-SU-2026:4140-1","SUSE-SU-2026:4156-1","SUSE-SU-2026:4268-1"]},"timeline":[{"kind":"published","date":"2026-09-01T12:19:08.065Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-03T17:23:46.546Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T17:02:17.206Z","stale":false,"partial":false}}