CVE-2025-8033
The JavaScript engine did not handle closed generators correctly and it was possible to resume them leading to a nullptr deref. This vulnerability affects Firefox < 141, Firefox ESR < 115.26, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.
| Software | From | Fixed in |
|---|---|---|
| mozilla / firefox | - | 141.0 |
| mozilla / thunderbird | - | 141.0 |
| mozilla / thunderbird | - | 128.13.0 |
| mozilla / thunderbird | 140.0 | 140.1.0 |
| mozilla / firefox | 140.0 | 140.1.0 |
| mozilla / firefox | - | 115.26.0 |
| mozilla / firefox | 128.0 | 128.13.0 |
- https://bugzilla.mozilla.org/show_bug.cgi?id=1973990
- https://lists.debian.org/debian-lts-announce/2025/07/msg00016.html
- https://www.mozilla.org/security/advisories/mfsa2025-56/
- https://www.mozilla.org/security/advisories/mfsa2025-57/
- https://www.mozilla.org/security/advisories/mfsa2025-58/
- https://www.mozilla.org/security/advisories/mfsa2025-59/
- https://www.mozilla.org/security/advisories/mfsa2025-61/
- https://www.mozilla.org/security/advisories/mfsa2025-62/
- https://www.mozilla.org/security/advisories/mfsa2025-63/
Deep Security Visibility Without the Complexity
SynScan provides clear, real-time security insights so you can monitor your attack surface, spot risks early, and act fast—without extra complexity.
- No setup fees
- 5-min deployment
- Cancel anytime