CVE Vulnerability

CVE-2021-29964

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.

5.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.1 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1706501 Permissions Required Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-23/ Release Notes Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-24/ Release Notes Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-26/ Release Notes Vendor Advisory
Configurations

Configuration 1
Information

Published : 2021-06-24 02:15

Updated : 2021-06-30 08:56

NVD link : CVE-2021-29964

Mitre link : CVE-2021-29964

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read