Vulnerability · NVD
CVE-2025-2857
CVE-2025-2857, critical severity (CVSS 10.0): 1 tracked app concerned, all fixed or indeterminable on their current version.
- Severity (CVSS)
- 10.0
- Exploitation
- -
- Tracked apps
- 1
- Still exposed
- 0
NVD scale
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.
Show raw CVSS vector
Tracked apps referencing this CVE
For each app: the affected range, the fixing version, and where the tracked app stands today.
Vulnerable CPE configurations (3)
| Vendor | Product | Platform | Versions | CPE 2.3 URI |
|---|---|---|---|---|
| mozilla |
firefox All platforms (wildcard)
|
All platforms (wildcard) | <136.0.4 | cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* |
| mozilla |
firefox All platforms (wildcard)
|
All platforms (wildcard) | <115.21.1 | cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* |
| mozilla |
firefox All platforms (wildcard)
|
All platforms (wildcard) | ≥128.1.0 <128.8.1 | cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* |
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