4.8
Medium
CVE-2025-5264 Due to insufficient escaping of the newline character in the “Copy as cURL” feature, an attacker could trick a user into…
Description
Due to insufficient escaping of the newline character in the “Copy as cURL” feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 139 | earliest → < 139 | 139 |
| Firefox 128.11 | earliest → < 128.11 | 128.11 |
| Firefox 115.24 | earliest → < 115.24 | 115.24 |
| Firefox ESR 128.11 | earliest → < 128.11 | 128.11 |
| Thunderbird 139 | earliest → < 139 | 139 |
| Thunderbird 128.11 | earliest → < 128.11 | 128.11 |