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CVE-2021-29982

nvd nist
Published: Aug 17, 2021Modified: Nov 21, 2024

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Exploitability: 2.8 / Impact: 3.6
Source: NVD

Description

Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91.

Affected (2)

Mozilla
2 products
Firefox
Thunderbird
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Firefox
Before 91.0
Thunderbird
Before 91.0

Related CWEs

CWE-772
Missing Release of Resource after Effective Lifetime
The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.

References (8)

Source: security@mozilla.org
ExploitIssue TrackingVendor Advisory
Source: security@mozilla.org
Third Party Advisory
Source: security@mozilla.org
Vendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue TrackingVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.