CVE-2021-29952

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.

CVSS v3 7.5 HIGH
CVSS v2.0 5.1 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.1^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 4.9 / Impact : 6.4

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1704227	Permissions Required Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-20/	Release Notes Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1704227	Permissions Required Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-20/	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox::::::-::*
	cpe:2.3:a:mozilla:firefox::::::android::*

History

21 Nov 2024, 06:02

Type	Values Removed	Values Added
References	~~() https://bugzilla.mozilla.org/show_bug.cgi?id=1704227 - Permissions Required, Vendor Advisory~~	() https://bugzilla.mozilla.org/show_bug.cgi?id=1704227 - Permissions Required, Vendor Advisory
References	~~() https://www.mozilla.org/security/advisories/mfsa2021-20/ - Release Notes, Vendor Advisory~~	() https://www.mozilla.org/security/advisories/mfsa2021-20/ - Release Notes, Vendor Advisory

Information

Published : 2021-06-24 14:15

Updated : 2024-11-21 06:02

NVD link : CVE-2021-29952

Mitre link : CVE-2021-29952

CVE.ORG link : CVE-2021-29952

JSON object : View

Products Affected

mozilla

firefox

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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