It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
2023-11-21T15:15:07.737
2024-11-21T08:43:21.990
Modified
CVSSv3.1: 6.5 (MEDIUM)
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | mozilla | firefox | < 120.0 | Yes |
Application | mozilla | firefox_esr | < 115.5.0 | Yes |
Application | mozilla | thunderbird | < 115.5 | Yes |
Operating System | debian | debian_linux | 10.0 | Yes |
Operating System | debian | debian_linux | 11.0 | Yes |
Operating System | debian | debian_linux | 12.0 | Yes |