{"affected":[{"product":"Firefox","source":"CNA: mozilla","vendor":"Mozilla","versions":[{"lessThan":"125","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"Firefox ESR","source":"CNA: mozilla","vendor":"Mozilla","versions":[{"lessThan":"115.10","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"Thunderbird","source":"CNA: mozilla","vendor":"Mozilla","versions":[{"lessThan":"115.10","status":"affected","version":"unspecified","versionType":"custom"}]}],"cpeConfigurations":[{"negate":false,"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*","versionEndExcluding":"115.10.0","vulnerable":true},{"criteria":"cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*","versionEndExcluding":"125.0","vulnerable":true},{"criteria":"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*","versionEndExcluding":"115.10","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"OR"}],"cveId":"CVE-2024-3863","cwes":["CWE-434"],"description":"The executable file warning was not presented when downloading .xrm-ms files.  \n*Note: This issue only affected Windows operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.","epss":{"date":"2026-11-03","percentile":0.5703,"score":0.00812},"exploits":[],"kev":null,"metrics":[{"score":9.8,"severity":"critical","source":"ADP: CISA-ADP","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},{"score":9.8,"severity":"critical","source":"NVD: nvd@nist.gov","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},{"score":9.8,"severity":"critical","source":"NVD: 134c704f-9b21-4f2e-91b3-4a467353bcc0","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1793744242940,"publishedAt":1713280448950,"references":[{"source":"CNA: mozilla","tags":[],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1885855"},{"source":"CNA: mozilla","tags":[],"url":"https://www.mozilla.org/security/advisories/mfsa2024-18/"},{"source":"CNA: mozilla","tags":[],"url":"https://www.mozilla.org/security/advisories/mfsa2024-19/"},{"source":"CNA: mozilla","tags":[],"url":"https://www.mozilla.org/security/advisories/mfsa2024-20/"},{"source":"ADP: CVE","tags":["x_transferred"],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1885855"},{"source":"ADP: CVE","tags":["x_transferred"],"url":"https://www.mozilla.org/security/advisories/mfsa2024-18/"},{"source":"ADP: CVE","tags":["x_transferred"],"url":"https://www.mozilla.org/security/advisories/mfsa2024-19/"},{"source":"ADP: CVE","tags":["x_transferred"],"url":"https://www.mozilla.org/security/advisories/mfsa2024-20/"},{"source":"security@mozilla.org","tags":["Issue Tracking"],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1885855"},{"source":"security@mozilla.org","tags":["Vendor Advisory"],"url":"https://www.mozilla.org/security/advisories/mfsa2024-18/"},{"source":"security@mozilla.org","tags":["Vendor Advisory"],"url":"https://www.mozilla.org/security/advisories/mfsa2024-19/"},{"source":"security@mozilla.org","tags":["Vendor Advisory"],"url":"https://www.mozilla.org/security/advisories/mfsa2024-20/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking"],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1885855"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.mozilla.org/security/advisories/mfsa2024-18/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.mozilla.org/security/advisories/mfsa2024-19/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.mozilla.org/security/advisories/mfsa2024-20/"}],"remediation":[],"revision":"623ec7afb5abc18df93ccc73a77d93bf738b653338e334a5b1176dcfda24fe37","sources":[{"modifiedAt":1793742758135,"name":"CNA: mozilla","retrievedAt":1793743971627,"url":"https://www.cve.org/CVERecord?id=CVE-2024-3863"},{"modifiedAt":1793744242940,"name":"NVD","retrievedAt":1793751350714,"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-3863"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793744001994,"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-3863"}],"ssvc":{"assessedAt":1755834942890,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"CVE-2024-3863","updatedAt":1793751350714}