{"schemaVersion":3,"id":"CVE-2023-4576","aliases":["UBUNTU-CVE-2023-4576","CGA-498g-p6jf-j63c","CGA-hqg8-4p26-349p"],"status":"published","duplicateOf":null,"title":null,"description":"On Windows, an integer overflow could occur in `RecordedSourceSurfaceCreation` which resulted in a heap buffer overflow potentially leaking sensitive data that could have led to a sandbox escape.\n*This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.","dates":{"published":"2023-09-11T08:00:51.770Z","modified":"2025-12-18T15:23:04.799Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.6,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · 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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-esr","name":"firefox-esr","label":"firefox-esr","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/firefox-esr","purlType":"apk","versions":[{"text":"< 117.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 117.0-r0","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"firefox","name":"firefox","label":"firefox","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/firefox","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix 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115.2","eol":null,"hubHref":"/vendor/mozilla/thunderbird"}],"affectedCount":12,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1846694","label":"bugzilla.mozilla.org/show_bug.cgi?id=1846694","hostname":"bugzilla.mozilla.org","tags":["Issue Tracking","Permissions Required"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2023-34/","label":"www.mozilla.org/security/advisories/mfsa2023-34/","hostname":"www.mozilla.org","tags":["Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2023-35/","label":"www.mozilla.org/security/advisories/mfsa2023-35/","hostname":"www.mozilla.org","tags":["Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2023-36/","label":"www.mozilla.org/security/advisories/mfsa2023-36/","hostname":"www.mozilla.org","tags":["Vendor 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