Vulnerability · Published May 27, 2025 · Assigned by mozilla
CVE-2025-5264Potential local code execution in “Copy as cURL” command
Medium 4.8
In plain English
A medium-severity command injection in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | firefox | 128.11.0-1.el10_0 | ALSA-2025:8341 |
| AlmaLinux:8 | firefox | 128.11.0-1.el8_10.alma.1 | ALSA-2025:8308 |
| AlmaLinux:9 | firefox | 128.11.0-1.el9_6.alma.1 | ALSA-2025:8293 |
| AlmaLinux:9 | firefox-x11 | 128.11.0-1.el9_6.alma.1 | ALSA-2025:8293 |
| AlmaLinux:10 | thunderbird | 128.11.0-1.el10_0.alma.1 | ALSA-2025:8608 |
| AlmaLinux:8 | thunderbird | 128.11.0-1.el8_10.alma.1 | ALSA-2025:8756 |
| AlmaLinux:9 | thunderbird | 128.11.0-1.el9_6.alma.1 | ALSA-2025:8607 |
| Debian:12 | firefox-esr | 128.11.0esr-1~deb12u1 | DEBIAN-CVE-2025-5264 |
| Debian:12 | firefox-esr | 128.11.0esr-1~deb12u1 | DSA-5926-1 |
| Debian:13 | firefox-esr | 128.11.0esr-1 | DEBIAN-CVE-2025-5264 |
| Debian:14 | firefox-esr | 128.11.0esr-1 | DEBIAN-CVE-2025-5264 |
| Debian:12 | thunderbird | 1:128.11.0esr-1~deb12u1 | DSA-5932-1 |
| Debian:12 | thunderbird | 1:128.11.0esr-1~deb12u1 | DEBIAN-CVE-2025-5264 |
| Debian:13 | thunderbird | 1:128.11.0esr-1 | DEBIAN-CVE-2025-5264 |
| Debian:14 | thunderbird | 1:128.11.0esr-1 | DEBIAN-CVE-2025-5264 |
| Rocky Linux:10 | firefox | 0:128.11.0-1.el10_0 | RLSA-2025:8341 |
| Rocky Linux:8 | firefox | 0:128.11.0-1.el8_10 | RLSA-2025:8308 |
| Rocky Linux:9 | firefox | 0:128.11.0-1.el9_6 | RLSA-2025:8293 |
| Rocky Linux:10 | thunderbird | 0:128.11.0-1.el10_0 | RLSA-2025:8608 |
| Rocky Linux:8 | thunderbird | 0:128.11.0-1.el8_10 | RLSA-2025:8756 |
| Rocky Linux:9 | thunderbird | 0:128.11.0-1.el9_6 | RLSA-2025:8607 |
| Ubuntu:22.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2025-5264 |
| Ubuntu:24.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2025-5264 |
| Ubuntu:24.04:LTS | mozjs115 | no fix listed | UBUNTU-CVE-2025-5264 |
| Ubuntu:22.04:LTS | mozjs78 | no fix listed | UBUNTU-CVE-2025-5264 |
| Ubuntu:22.04:LTS | mozjs91 | no fix listed | UBUNTU-CVE-2025-5264 |
| Ubuntu:22.04:LTS | thunderbird | 1:128.12.0+build1-0ubuntu0.22.04.1 | UBUNTU-CVE-2025-5264 |
| Ubuntu:22.04:LTS | thunderbird | 1:128.12.0+build1-0ubuntu0.22.04.1 | USN-7663-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | see references |
| Mozilla | Thunderbird | see references |
Weakness: CWE-77 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1950001
- https://www.mozilla.org/security/advisories/mfsa2025-42/
- https://www.mozilla.org/security/advisories/mfsa2025-43/
- https://www.mozilla.org/security/advisories/mfsa2025-44/
- https://www.mozilla.org/security/advisories/mfsa2025-45/
- https://www.mozilla.org/security/advisories/mfsa2025-46/
- https://lists.debian.org/debian-lts-announce/2025/05/msg00046.html
- https://lists.debian.org/debian-lts-announce/2025/05/msg00043.html