Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-43534

Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. 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 Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.018
EPSS Ranking 81.9%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.8
References
Products affected by CVE-2021-43534


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