HIGH 7.5
CVE-2025-1012
A race during concurrent delazification could have led to a use-after-free. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
CVSS v3
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.4%
percentile 62.5%
Affected tracked apps
Vulnerable CPE configurations
| Vendor | Product | Platform | Versions | CPE 2.3 URI |
|---|---|---|---|---|
| mozilla | thunderbird | Windows | <135.0 | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* |
| mozilla | thunderbird | Windows | ≥128.0.1 <128.7.0 | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* |