CVE-2021-29952

7.5HIGH

Key Information:

Vendor
Mozilla
Status
Firefox
Firefox For Android
Vendor
CVE Published:
24 June 2021

Summary

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.

Affected Version(s)

Firefox < 88.0.1

Firefox for Android < 88.1.3

References

https://www.mozilla.org/security/advisories/mfsa2021-20/
x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1704227
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.