Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-29976

Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 48.4%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.8
Products affected by CVE-2021-29976


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