CVE-2021-29972

A use-after-free vulnerability was found via testing, and traced to an out-of-date Cairo library. Updating the library resolved the issue, and may have remediated other, unknown security vulnerabilities as well. This vulnerability affects Firefox < 90.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1696816	Exploit Issue Tracking Vendor Advisory
https://security.gentoo.org/glsa/202202-03	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-28/	Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1696816	Exploit Issue Tracking Vendor Advisory
https://security.gentoo.org/glsa/202202-03	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-28/	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 06:02

Type	Values Removed	Values Added
References	~~() https://bugzilla.mozilla.org/show_bug.cgi?id=1696816 - Exploit, Issue Tracking, Vendor Advisory~~	() https://bugzilla.mozilla.org/show_bug.cgi?id=1696816 - Exploit, Issue Tracking, Vendor Advisory
References	~~() https://security.gentoo.org/glsa/202202-03 - Third Party Advisory~~	() https://security.gentoo.org/glsa/202202-03 - Third Party Advisory
References	~~() https://www.mozilla.org/security/advisories/mfsa2021-28/ - Vendor Advisory~~	() https://www.mozilla.org/security/advisories/mfsa2021-28/ - Vendor Advisory

Information

Published : 2021-08-05 20:15

Updated : 2024-11-21 06:02

NVD link : CVE-2021-29972

Mitre link : CVE-2021-29972

CVE.ORG link : CVE-2021-29972

JSON object : View

Products Affected

mozilla

firefox

CWE

CWE-416

Use After Free

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