CVE-2020-26974

State: Published
Severity: Not scored
Published: Jan 7, 2021
Updated: Aug 4, 2024
Reserved: Oct 12, 2020

Description

When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
FirefoxMozilla	before 84Affected
ThunderbirdMozilla	before 78.6Affected
Firefox ESRMozilla	before 78.6Affected

References

https://www.mozilla.org/security/advisories/mfsa2020-54/
https://www.mozilla.org/security/advisories/mfsa2020-56/
https://www.mozilla.org/security/advisories/mfsa2020-55/
https://bugzilla.mozilla.org/show_bug.cgi?id=1681022

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