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When multiple WASM threads had a reference to a module, and were looking up exported functions, one WASM thread could have overwritten another's entry in a shared stub table, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 82.
Base Score: 5
Impact Score: 2.9
Exploitability Score: 10
Base Score: 7.5
Impact Score: 3.6
Exploitability Score: 3.9
|141923||Ubuntu 16.04 LTS : Firefox vulnerabilities (USN-4599-2)||Nessus||Ubuntu Local Security Checks|
|141863||Ubuntu 18.04 LTS / 20.04 LTS / 20.10 : Firefox vulnerabilities (USN-4599-1)||Nessus||Ubuntu Local Security Checks|
|141572||Mozilla Firefox < 82.0||Nessus||MacOS X Local Security Checks|
|141571||Mozilla Firefox < 82.0||Nessus||Windows|