{ "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": "2026-06-09T16:23:02.233Z" }, "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.
The original vulnerability was being exploited in the wild.
*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": "2026-06-09T16:23:02.233Z" } } ] } }