{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2807","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","state":"PUBLISHED","assignerShortName":"mozilla","dateReserved":"2026-02-19T15:07:07.640Z","datePublished":"2026-02-24T13:33:34.035Z","dateUpdated":"2026-04-13T13:54:40.828Z"},"containers":{"cna":{"affected":[{"product":"Firefox","vendor":"Mozilla","versions":[{"status":"unaffected","version":"148","lessThanOrEqual":"*","versionType":"rpm"}]},{"product":"Thunderbird","vendor":"Mozilla","versions":[{"status":"unaffected","version":"148","lessThanOrEqual":"*","versionType":"rpm"}]}],"descriptions":[{"lang":"en","value":"Memory safety bugs present in Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148 and Thunderbird 148.","supportingMedia":[{"type":"text/html","base64":false,"value":"Memory safety bugs present in Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148 and Thunderbird 148."}]}],"title":"Memory safety bugs fixed in Firefox 148 and Thunderbird 148","references":[{"url":"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1756056%2C1999402%2C2004872%2C2006037%2C2012855","name":"Memory safety bugs fixed in Firefox 148 and Thunderbird 148"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-13/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-16/"}],"credits":[{"lang":"en","value":"Agi Sferro, Andrew McCreight, Randell Jesup, Tom Schuster"}],"providerMetadata":{"orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","shortName":"mozilla","dateUpdated":"2026-04-13T13:54:40.828Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-2807","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-02-25T04:55:41.912370Z"}}},{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-26T14:44:08.263Z"}}]}}