MEDIUM 6.5
CVE-2023-5171
During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to write two NUL bytes, and cause a potentially exploitable crash. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
CVSS v3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
0.3%
percentile 49.4%
Affected tracked apps
Vulnerable CPE configurations
| Vendor | Product | Platform | Versions | CPE 2.3 URI |
|---|---|---|---|---|
| mozilla | thunderbird | Windows | <115.3 | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |