{
"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"
}
}
]
}
}