CVE-2021-4129

Mozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson Smith, Christian Holler, and Masayuki Nakano reported memory safety bugs present in Firefox 94. 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 < 95, Firefox ESR < 91.4.0, and Thunderbird < 91.4.0.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1393362%2C1736046%2C1736751%2C1737009%2C1739372%2C1739421	Exploit Issue Tracking Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-52/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-53/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-54/	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox::::::::
	cpe:2.3:a:mozilla:firefox_esr::::::::
	cpe:2.3:a:mozilla:thunderbird::::::::

History

08 Aug 2023, 14:21

Type	Values Removed	Values Added
CWE	~~NVD-CWE-noinfo~~	CWE-787

Information

Published : 2022-12-22 20:15

Updated : 2024-02-28 19:51

NVD link : CVE-2021-4129

Mitre link : CVE-2021-4129

CVE.ORG link : CVE-2021-4129

JSON object : View

Products Affected

mozilla

firefox
thunderbird
firefox_esr

CWE

CWE-787

Out-of-bounds Write

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