{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-2857","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","state":"PUBLISHED","assignerShortName":"mozilla","dateReserved":"2025-03-27T10:54:42.071Z","datePublished":"2025-03-27T13:27:57.377Z","dateUpdated":"2026-04-13T14:30:19.981Z"},"containers":{"cna":{"affected":[{"product":"Firefox","vendor":"Mozilla","versions":[{"status":"unaffected","version":"115.21.1","lessThanOrEqual":"115.*","versionType":"rpm"},{"status":"unaffected","version":"128.8.1","lessThanOrEqual":"128.*","versionType":"rpm"},{"status":"unaffected","version":"136.0.4","lessThanOrEqual":"*","versionType":"rpm"}]}],"descriptions":[{"lang":"en","value":"Following the recent Chrome sandbox escape (CVE-2025-2783), various Firefox developers identified a similar pattern in our IPC code. A compromised child process could cause the parent process to return an unintentionally powerful handle, leading to a sandbox escape. \nThe original vulnerability was being exploited in the wild. \n*This only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 136.0.4, Firefox ESR 128.8.1, and Firefox ESR 115.21.1.","supportingMedia":[{"type":"text/html","base64":false,"value":"Following the recent Chrome sandbox escape (CVE-2025-2783), various Firefox developers identified a similar pattern in our IPC code. A compromised child process could cause the parent process to return an unintentionally powerful handle, leading to a sandbox escape. <br>The original vulnerability was being exploited in the wild. <br>*This only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 136.0.4, Firefox ESR 128.8.1, and Firefox ESR 115.21.1."}]}],"title":"Incorrect handle could lead to sandbox escapes","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1956398"},{"url":"https://issues.chromium.org/issues/405143032","name":"CVE-2025-2783"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-2783","name":"CVE-2025-2783"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-19/"}],"credits":[{"lang":"en","value":"Andrew McCreight"}],"providerMetadata":{"orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","shortName":"mozilla","dateUpdated":"2026-04-13T14:30:19.981Z"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-668","lang":"en","description":"CWE-668 Exposure of Resource to Wrong Sphere"}]}],"metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":10,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-03-28T15:23:40.271763Z","id":"CVE-2025-2857","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-31T13:23:45.890Z"}}]}}