CVE-2021-38501

State: Published
Severity: Not scored
Published: Nov 3, 2021
Updated: Aug 4, 2024
Reserved: Aug 10, 2021

Description

Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
FirefoxMozilla	before 93Affected
ThunderbirdMozilla	before 91.2Affected
Firefox ESRMozilla	before 91.2Affected

References

https://www.mozilla.org/security/advisories/mfsa2021-47/
https://www.mozilla.org/security/advisories/mfsa2021-45/
https://www.mozilla.org/security/advisories/mfsa2021-43/
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1685354%2C1715755%2C1723176

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