Memory Safety Vulnerabilities in Mozilla Firefox and Thunderbird
CVE-2025-11714
Currently unrated
Key Information:
- Vendor
Mozilla
- Vendor
- CVE Published:
- 14 October 2025
What is CVE-2025-11714?
Multiple memory safety bugs have been identified in various versions of Mozilla Firefox and Thunderbird. Affected versions include Firefox ESR 115.28, Firefox ESR 140.3, and their corresponding Thunderbird versions. These bugs have shown signs of memory corruption that could potentially be exploited to execute arbitrary code. Users are encouraged to update to newer software versions to mitigate these vulnerabilities, including Firefox ESR 115.29, Firefox ESR 140.4, and Thunderbird 140.4.
Affected Version(s)
Firefox < 144
Firefox ESR < 115.29
Firefox ESR < 140.4