| Name | CVE-2025-1934 |
| Description | It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially triggering garbage collection when the engine was not expecting it. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. |
| 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-4078-1, DLA-4081-1, DSA-5874-1, DSA-5876-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| firefox (PTS) | sid | 150.0.1-1 | fixed |
| firefox-esr (PTS) | bullseye | 115.14.0esr-1~deb11u1 | vulnerable |
| bullseye (security) | 140.10.1esr-1~deb11u1 | fixed | |
| bookworm | 128.14.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 140.10.1esr-1~deb12u1 | fixed | |
| trixie | 140.8.0esr-1~deb13u1 | fixed | |
| trixie (security) | 140.10.1esr-1~deb13u1 | fixed | |
| forky | 140.10.0esr-1 | fixed | |
| sid | 140.10.1esr-1 | fixed | |
| thunderbird (PTS) | bullseye | 1:115.12.0-1~deb11u1 | vulnerable |
| bullseye (security) | 1:140.10.1esr-1~deb11u1 | fixed | |
| bookworm | 1:140.6.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 1:140.10.1esr-1~deb12u1 | fixed | |
| trixie | 1:140.8.0esr-1~deb13u1 | fixed | |
| trixie (security) | 1:140.10.1esr-1~deb13u1 | fixed | |
| forky | 1:140.10.0esr-1 | fixed | |
| sid | 1:140.10.1esr-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) | 136.0-1 | |||
| firefox-esr | source | bullseye | 128.8.0esr-1~deb11u1 | DLA-4078-1 | ||
| firefox-esr | source | bookworm | 128.8.0esr-1~deb12u1 | DSA-5874-1 | ||
| firefox-esr | source | (unstable) | 128.8.0esr-1 | |||
| thunderbird | source | bullseye | 1:128.8.0esr-1~deb11u1 | DLA-4081-1 | ||
| thunderbird | source | bookworm | 1:128.8.0esr-1~deb12u1 | DSA-5876-1 | ||
| thunderbird | source | (unstable) | 1:128.8.0esr-1 |
https://www.mozilla.org/en-US/security/advisories/mfsa2025-14/#CVE-2025-1934
https://www.mozilla.org/en-US/security/advisories/mfsa2025-16/#CVE-2025-1934
https://www.mozilla.org/en-US/security/advisories/mfsa2025-18/#CVE-2025-1934