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CVE-2021-43537

nvd nist
Published: Dec 8, 2021Modified: Nov 21, 2024

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: NVD

Description

An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

Affected (6)

Mozilla
3 products
Firefox
Firefox Esr
Thunderbird
Debian
1 product
Debian Linux
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Firefox
Before 95.0
Firefox Esr
Before 91.4.0
Thunderbird
Before 91.4.0
Configuration B
3 vulnerable
Vulnerable SoftwareAffected Versions
Debian
Debian Linux
Version 10.0
Debian Linux
Version 11.0
Debian Linux
Version 9.0

Related CWEs

CWE-704
Incorrect Type Conversion or Cast
The product does not correctly convert an object, resource, or structure from one type to a different type.

References (20)

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

Timeline

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