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VULNERABILITIES

CVE-2021-29990 Details

Description

Mozilla developers and community members reported memory safety bugs present in Firefox 90. 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 < 91.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1544190%2C1716481%2C1717778%2C1719319%2C1722073 CVEBroken LinkIssue TrackingVendor Advisory
https://security.gentoo.org/glsa/202202-03 CVEThird Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-33/ CVEVendor Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1544190%2C1716481%2C1717778%2C1719319%2C1722073 [email protected]Broken LinkIssue TrackingVendor Advisory
https://security.gentoo.org/glsa/202202-03 [email protected]Third Party Advisory

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions
mozilla firefox
< 91.0

CPE

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-29990
NVD Published Date:
Aug 17, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-29990 Details - Not Deferred