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 v3.0 7.5 HIGH
CVSS v2.0 5.1 MEDIUM

7.5^/10

CVSS v3.0 : 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://www.mozilla.org/security/advisories/mfsa2021-20/	Release Notes Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1704227	Permissions Required Vendor Advisory

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Configurations

Configuration 1 (hide)

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

Information

Published : 2021-06-24 07:15

Updated : 2021-06-25 13:19

NVD link : CVE-2021-29952

Mitre link : CVE-2021-29952

JSON object : View

CWE

CWE-362

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

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Products Affected

mozilla

firefox

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