Published: 07/01/2021 Updated: 12/01/2021

CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6

CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8

VMScore: 605

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Mozilla developers reported memory safety bugs present in Firefox 83. 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 < 84.

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mozilla firefox

Mozilla Foundation Security Advisory 2020-54 Security Vulnerabilities fixed in Firefox 84 Announced December 15, 2020 Impact critical Products Firefox Fixed in Firefox 84 ...

Severity Unknown Remote Unknown Type Unknown Description AVG-1362 firefox 830-2 840-1 High Fixed ...

CWE-787 https://www.mozilla.org/security/advisories/mfsa2020-54/https://bugzilla.mozilla.org/buglist.cgi?bug_id=1607449%2C1640416%2C1656459%2C1669914%2C1673567 https://nvd.nist.gov https://www.mozilla.org/en-US/security/advisories/mfsa2020-54/

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CVE-2020-35114

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