CVE-2020-6819 is a high severity vulnerability with a CVSS score of 8.1. Exploits are available; patches have been released and should be applied urgently. This is classified as a zero-day vulnerability.
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Very low probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
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.
| Vendor | Product |
|---|---|
| Mozilla | Firefox |
| Mozilla | Thunderbird |