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CVE-2021-29964

nvd nist
Published: Jun 24, 2021Modified: Nov 21, 2024

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7.1
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Exploitability: 1.8 / Impact: 5.2
Source: NVD

Description

A locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly, leading to an out-of-bounds read. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.

Affected (3)

Mozilla
3 products
Firefox
Firefox Esr
Thunderbird
Configuration A
3 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Firefox
Before 89.0
Firefox Esr
Before 78.11
Thunderbird
Before 78.11
Running on/withPlatform Versions
Microsoft
Windows
All versions

Related CWEs

CWE-125
Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.

References (8)

Source: security@mozilla.org
Permissions RequiredVendor Advisory
Source: security@mozilla.org
Release NotesVendor Advisory
Source: security@mozilla.org
Release NotesVendor Advisory
Source: security@mozilla.org
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions RequiredVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory

Timeline

No history available yet.