vulnerability
MFSA2025-59 Firefox: Security Vulnerabilities fixed in Firefox ESR 140.1 (CVE-2025-8033)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:C/I:N/A:N) | Jul 22, 2025 | Jul 23, 2025 | Apr 15, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:C/I:N/A:N)
Published
Jul 22, 2025
Added
Jul 23, 2025
Modified
Apr 15, 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 was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.
Solution
mozilla-firefox-esr-upgrade-140_1
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