HexBrain

Browse / CVEs / CVE-2020-6819

CVE-2020-6819· mozilla / firefox and thunderbird· CWE-362, CWE-416

Mozilla Firefox And Thunderbird Use-After-Free Vulnerability

Exploited in the wild. Listed by CISA on 2021-11-03; known to be used by ransomware.

3%likelihood of exploitation, next 30 days
88%of all CVEs are less likely
Nonecheck to confirm it

Mozilla Firefox and Thunderbird contain a race condition vulnerability when running the nsDocShell destructor under certain conditions. The race condition creates a use-after-free vulnerability, causing unspecified impacts.

No ready check is stored for this CVE. Confirm it by hand from the references.

References

Use this check only on systems you are authorised to test. Where the data comes from