CVE-2025-8033

Description

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.

References

https://www.mozilla.org/security/advisories/mfsa2025-63/

https://www.mozilla.org/security/advisories/mfsa2025-62/

https://www.mozilla.org/security/advisories/mfsa2025-61/

https://www.mozilla.org/security/advisories/mfsa2025-59/

https://www.mozilla.org/security/advisories/mfsa2025-58/

https://www.mozilla.org/security/advisories/mfsa2025-57/

https://www.mozilla.org/security/advisories/mfsa2025-56/

https://bugzilla.mozilla.org/show_bug.cgi?id=1973990

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS