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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database

Vulnerability Change Records for CVE-2025-2857

Change History

CVE Modified by Mozilla Corporation 3/27/2025 4:15:28 PM

Action Type Old Value New Value
Changed Description 
Following the sandbox 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 to unprivileged 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.
 
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 affects Firefox < 136.0.4, Firefox ESR < 128.8.1, and Firefox ESR < 115.21.1.
Added Reference 

								
							
							
								
							
						
								
							
								
https://www.cve.org/CVERecord?id=CVE-2025-2783