CVE-2023-6863
CVSS 3.1 Score 8.8 of 10 (high)
Details
Published Dec 19, 2023
Updated: Feb 2, 2024
Summary
CVE-2023-6863 is a vulnerability affecting Firefox ESR versions under 115.6, Thunderbird under 115.6, and Firefox under 121. The issue stems from the `ShutdownObserver()` function, which relies on a dynamic type without a virtual destructor, leading to potential undefined behavior. This vulnerability could result in various unintended consequences, including memory corruption and crashes, making it critical for users to apply the necessary patches.
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