vulnerability
Red Hat: CVE-2025-8033: firefox: thunderbird: Incorrect JavaScript state machine for generators (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:N/AC:H/Au:N/C:P/I:N/A:N) | Jul 22, 2025 | Jul 25, 2025 | Jan 28, 2026 |
Severity
3
CVSS
(AV:N/AC:H/Au:N/C:P/I:N/A:N)
Published
Jul 22, 2025
Added
Jul 25, 2025
Modified
Jan 28, 2026
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.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-firefox-x11redhat-upgrade-thunderbirdredhat-upgrade-thunderbird-debuginforedhat-upgrade-thunderbird-debugsource
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