CVE-2025-9181Medium· 6.5▾ SunlitUninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 142, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 35.8 · likelihood 0.1 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.4%
Uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 142, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.
firefox < 128.14.0firefox < 142.0firefox >= 140.0, < 140.2.0thunderbird < 128.14.0thunderbird < 142.0thunderbird >= 140.0, < 140.2.0Upgrade past the affected range:
firefox 140.2.0thunderbird 140.2.0Connected by shared product, vendor, weakness, or advisory.
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