icon

We found results for “

CVE-2025-2857

Date: March 27, 2025

Following the sanbdox escape in CVE-2025-2783, various Firefox developers identified a similar pattern in our IPC code. Attackers were able to confuse the parent process into leaking handles into unpriviled child processes 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 affects Firefox < 136.0.4, Firefox ESR < 128.8.1, and Firefox ESR < 115.21.1.

Severity Score

Severity Score

Weakness Type (CWE)

Improper Access Control

CWE-284

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

Do you need more information?

Contact Us