Vulnerabilities > CVE-2021-29988 - Out-of-bounds Write vulnerability in Mozilla Thunderbird

047910
CVSS 8.8 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
network
low complexity
mozilla
CWE-787

Summary

Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

Vulnerable Configurations

Part Description Count
Application
Mozilla
1123

Common Weakness Enumeration (CWE)