| Name | CVE-2025-8031 |
| Description | The `username:password` part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1. |
| 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-4250-1, DLA-4253-1, DSA-5964-1, DSA-5966-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| firefox (PTS) | sid | 150.0-1 | fixed |
| firefox-esr (PTS) | bullseye | 115.14.0esr-1~deb11u1 | vulnerable |
| bullseye (security) | 140.10.0esr-1~deb11u1 | fixed | |
| bookworm | 128.14.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 140.10.0esr-1~deb12u1 | fixed | |
| trixie | 140.8.0esr-1~deb13u1 | fixed | |
| trixie (security) | 140.10.0esr-1~deb13u1 | fixed | |
| forky, sid | 140.10.0esr-1 | fixed | |
| thunderbird (PTS) | bullseye | 1:115.12.0-1~deb11u1 | vulnerable |
| bullseye (security) | 1:140.10.0esr-1~deb11u1 | fixed | |
| bookworm | 1:140.6.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 1:140.10.0esr-1~deb12u1 | fixed | |
| trixie | 1:140.8.0esr-1~deb13u1 | fixed | |
| trixie (security) | 1:140.10.0esr-1~deb13u1 | fixed | |
| forky | 1:140.9.1esr-1 | fixed | |
| sid | 1:140.10.0esr-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) | 141.0-1 | |||
| firefox-esr | source | bullseye | 128.13.0esr-1~deb11u1 | DLA-4250-1 | ||
| firefox-esr | source | bookworm | 128.13.0esr-1~deb12u1 | DSA-5964-1 | ||
| firefox-esr | source | (unstable) | 128.13.0esr-1 | |||
| thunderbird | source | bullseye | 1:128.13.0esr-1~deb11u1 | DLA-4253-1 | ||
| thunderbird | source | bookworm | 1:128.13.0esr-1~deb12u1 | DSA-5966-1 | ||
| thunderbird | source | (unstable) | 1:128.13.0esr-1 |
https://www.mozilla.org/en-US/security/advisories/mfsa2025-56/#CVE-2025-8031
https://www.mozilla.org/en-US/security/advisories/mfsa2025-58/#CVE-2025-8031
https://www.mozilla.org/en-US/security/advisories/mfsa2025-62/#CVE-2025-8031