CVE-2025-0238Medium· 5.3▾ SunlitAssuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Firefox ESR 115.19, Thunderbird 1…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 29.2 · likelihood 0.2 · 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
0.8%
Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Firefox ESR 115.19, Thunderbird 134, and Thunderbird 128.6.
firefox < 115.19.0firefox < 134.0firefox >= 116.0, < 128.6.0thunderbird < 128.6thunderbird >= 129.0, < 134.0Upgrade past the affected range:
firefox 128.6.0thunderbird 134.0Connected by shared product, vendor, weakness, or advisory.
CVE-2026-74944Critical· 9.8Use-after-free in the DOM: Core & HTML component
CVE-2026-74943Critical· 9.8Use-after-free in the Graphics: ImageLib component
CVE-2026-74940Critical· 9.8Use-after-free in the Graphics: Text component
CVE-2026-74936Critical· 9.8Use-after-free in the JavaScript: WebAssembly component
CVE-2022-26486Critical· 9.6An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape
CVE-2022-26485High· 8.8Removing an XSLT parameter during processing could have lead to an exploitable use-after-free