{"id":"CVE-2022-26485","state":"PUBLISHED","title":"Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of attacks in the wild abusing this flaw. This vulnerability affe","description":"Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.","publishedAt":"2022-12-22T00:00:00.000Z","updatedAt":"2025-10-21T23:15:29.432Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"mozilla","products":["Mozilla Firefox","Mozilla Firefox ESR","Mozilla Firefox for Android","Mozilla Thunderbird","Mozilla Focus"],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"unspecified","status":"affected","lessThan":"97.0.2","versionType":"custom"}]},{"vendor":"Mozilla","product":"Firefox ESR","versions":[{"version":"unspecified","status":"affected","lessThan":"91.6.1","versionType":"custom"}]},{"vendor":"Mozilla","product":"Firefox for Android","versions":[{"version":"unspecified","status":"affected","lessThan":"97.3.0","versionType":"custom"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"unspecified","status":"affected","lessThan":"91.6.2","versionType":"custom"}]},{"vendor":"Mozilla","product":"Focus","versions":[{"version":"unspecified","status":"affected","lessThan":"97.3.0","versionType":"custom"}]}],"references":["https://www.mozilla.org/security/advisories/mfsa2022-09/","https://bugzilla.mozilla.org/show_bug.cgi?id=1758062","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26485"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T19:49:49.689Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/26xxx/CVE-2022-26485.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-26485","state":"PUBLISHED","datePublished":"2022-12-22T00:00:00.000Z","dateUpdated":"2025-10-21T23:15:29.432Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2022-03-04T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. 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This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0."}],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"unspecified","status":"affected","lessThan":"97.0.2","versionType":"custom"}]},{"vendor":"Mozilla","product":"Firefox ESR","versions":[{"version":"unspecified","status":"affected","lessThan":"91.6.1","versionType":"custom"}]},{"vendor":"Mozilla","product":"Firefox for Android","versions":[{"version":"unspecified","status":"affected","lessThan":"97.3.0","versionType":"custom"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"unspecified","status":"affected","lessThan":"91.6.2","versionType":"custom"}]},{"vendor":"Mozilla","product":"Focus","versions":[{"version":"unspecified","status":"affected","lessThan":"97.3.0","versionType":"custom"}]}],"references":[{"url":"https://www.mozilla.org/security/advisories/mfsa2022-09/"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1758062"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"Use-after-free in XSLT parameter processing"}]}],"providerMetadata":{"shortName":"mozilla","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateUpdated":"2022-12-22T00:00:00.000Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.mozilla.org/security/advisories/mfsa2022-09/","tags":["x_transferred"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1758062","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T05:03:32.985Z"}},{"title":"CISA ADP Vulnrichment","references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26485","tags":["government-resource"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.8,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-26485","role":"CISA Coordinator","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-01-28T21:32:55.676135Z"}}},{"other":{"type":"kev","content":{"dateAdded":"2022-03-07","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26485"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","lang":"en","type":"CWE","description":"CWE-416 Use After Free"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-21T23:15:29.432Z"},"timeline":[{"time":"2022-03-07T00:00:00.000Z","lang":"en","value":"CVE-2022-26485 added to CISA KEV"}]}]}}}