In an out-of-memory scenario an allocation could fail but free would have been called on the pointer afterwards leading to memory corruption. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.
10
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03 Sep 2025 22:54Current
9.2Critical risk
Vulners AI Score9.2
CVSS 3.17.4
EPSS0.00537
SSVC