Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2020-6819

Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 56.8%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 6.8
Proposed Action
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.
Ransomware Campaign
Unknown
Products affected by CVE-2020-6819


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