| Name | CVE-2025-13019 |
| Description | Same-origin policy bypass in the DOM: Workers component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5. |
| 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-4370-1, DLA-4372-1, DSA-6054-1, DSA-6059-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| firefox (PTS) | sid | 145.0.1-1 | fixed |
| firefox-esr (PTS) | bullseye | 115.14.0esr-1~deb11u1 | vulnerable |
| bullseye (security) | 140.5.0esr-1~deb11u1 | fixed | |
| bookworm | 128.14.0esr-1~deb12u1 | vulnerable | |
| bookworm (security) | 140.5.0esr-1~deb12u1 | fixed | |
| trixie | 140.4.0esr-1~deb13u1 | vulnerable | |
| trixie (security) | 140.5.0esr-1~deb13u1 | fixed | |
| forky, sid | 140.5.0esr-1 | fixed | |
| thunderbird (PTS) | bullseye | 1:115.12.0-1~deb11u1 | vulnerable |
| bullseye (security) | 1:140.5.0esr-1~deb11u1 | fixed | |
| bookworm | 1:128.14.0esr-1~deb12u1 | vulnerable | |
| bookworm (security) | 1:140.5.0esr-1~deb12u1 | fixed | |
| trixie | 1:140.4.0esr-1~deb13u1 | vulnerable | |
| trixie (security) | 1:140.5.0esr-1~deb13u1 | fixed | |
| forky, sid | 1:140.5.0esr-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) | 145.0-1 | |||
| firefox-esr | source | bullseye | 140.5.0esr-1~deb11u1 | DLA-4370-1 | ||
| firefox-esr | source | bookworm | 140.5.0esr-1~deb12u1 | DSA-6054-1 | ||
| firefox-esr | source | trixie | 140.5.0esr-1~deb13u1 | DSA-6054-1 | ||
| firefox-esr | source | (unstable) | 140.5.0esr-1 | |||
| thunderbird | source | bullseye | 1:140.5.0esr-1~deb11u1 | DLA-4372-1 | ||
| thunderbird | source | bookworm | 1:140.5.0esr-1~deb12u1 | DSA-6059-1 | ||
| thunderbird | source | trixie | 1:140.5.0esr-1~deb13u1 | DSA-6059-1 | ||
| thunderbird | source | (unstable) | 1:140.5.0esr-1 |
https://www.mozilla.org/en-US/security/advisories/mfsa2025-87/#CVE-2025-13019
https://www.mozilla.org/en-US/security/advisories/mfsa2025-88/#CVE-2025-13019
https://www.mozilla.org/en-US/security/advisories/mfsa2025-91/#CVE-2025-13019