CVE Vulnerability

CVE-2021-29986

A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. *Note: This issue only affected Linux operating systems. Other operating systems are unaffected.* This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

8.1 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.mozilla.org/security/advisories/mfsa2021-34/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-33/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-36/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-35/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1696138 Exploit Issue Tracking
https://security.gentoo.org/glsa/202202-03 Third Party Advisory
https://security.gentoo.org/glsa/202208-14 Third Party Advisory
Configurations

Configuration 1
Information

Published : 2021-08-17 08:15

Updated : 2022-12-09 07:17

NVD link : CVE-2021-29986

Mitre link : CVE-2021-29986

Products Affected
No products.
CWE
CWE-362