| Name | CVE-2025-5264 |
| 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4191-1, DLA-4194-1, DSA-5926-1, DSA-5932-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| firefox (PTS) | sid | 149.0.2-1 | fixed |
| firefox-esr (PTS) | bullseye | 115.14.0esr-1~deb11u1 | vulnerable |
| bullseye (security) | 140.9.1esr-1~deb11u1 | fixed | |
| bookworm | 128.14.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 140.9.1esr-1~deb12u1 | fixed | |
| trixie | 140.8.0esr-1~deb13u1 | fixed | |
| trixie (security) | 140.9.1esr-1~deb13u1 | fixed | |
| forky, sid | 140.9.1esr-1 | fixed | |
| thunderbird (PTS) | bullseye | 1:115.12.0-1~deb11u1 | vulnerable |
| bullseye (security) | 1:140.9.1esr-1~deb11u1 | fixed | |
| bookworm | 1:140.6.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 1:140.9.1esr-1~deb12u1 | fixed | |
| trixie | 1:140.8.0esr-1~deb13u1 | fixed | |
| trixie (security) | 1:140.9.1esr-1~deb13u1 | fixed | |
| forky | 1:140.9.0esr-1 | fixed | |
| sid | 1:140.9.1esr-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| firefox | source | (unstable) | 139.0-1 | |||
| firefox-esr | source | bullseye | 128.11.0esr-1~deb11u1 | DLA-4191-1 | ||
| firefox-esr | source | bookworm | 128.11.0esr-1~deb12u1 | DSA-5926-1 | ||
| firefox-esr | source | (unstable) | 128.11.0esr-1 | |||
| thunderbird | source | bullseye | 1:128.11.0esr-1~deb11u1 | DLA-4194-1 | ||
| thunderbird | source | bookworm | 1:128.11.0esr-1~deb12u1 | DSA-5932-1 | ||
| thunderbird | source | (unstable) | 1:128.11.0esr-1 |
https://www.mozilla.org/en-US/security/advisories/mfsa2025-42/#CVE-2025-5264
https://www.mozilla.org/en-US/security/advisories/mfsa2025-44/#CVE-2025-5264
https://www.mozilla.org/en-US/security/advisories/mfsa2025-46/#CVE-2025-5264