CVE-2021-29952

high

Description

When Web Render components were destructed, a race condition could have caused undefined behavior, and we presume that with enough effort may have been exploitable to run arbitrary code. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3.

References

https://www.mozilla.org/security/advisories/mfsa2021-20/

https://bugzilla.mozilla.org/show_bug.cgi?id=1704227

Details

Source: Mitre, NVD

Published: 2021-06-24

Updated: 2021-06-25

Risk Information

CVSS v2

Base Score: 5.1

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High