Vulnerability · NVD
CVE-2021-4129
CRITICAL 9.8
Mozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson Smith, Christian Holler, and Masayuki Nakano reported memory safety bugs present in Firefox 94. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 95, Firefox ESR < 91.4.0, and Thunderbird < 91.4.0.
Attack vector : Network
No privileges required
No user interaction
Show raw CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.01%
above median
percentile 60.0%
Tracked apps referencing this CVE
For each app: the affected range, the fixing version, and where the tracked app stands today.
Vulnerable CPE configurations (1)
| Vendor | Product | Platform | Versions | CPE 2.3 URI |
|---|---|---|---|---|
| mozilla |
thunderbird All platforms (wildcard)
|
All platforms (wildcard) | <91.4.0 | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |