CVE-2025-0241High· 7.7▾ TwilightWhen segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.4 · 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
0.7%
When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
firefox < 128.6.0firefox < 134.0thunderbird < 128.6.0thunderbird >= 129.0, < 134.0Upgrade past the affected range:
firefox 134.0thunderbird 134.0Connected by shared product, vendor, weakness, or advisory.
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