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CVE-2020-26950

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CVE-2020-26950

Published: Dec 9, 2020

Modified: Aug 4, 2024

PUBLISHED

Description

In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2.

VendorProductVersions

Mozilla

Firefox

affected
< 82.0.3

Mozilla

Firefox ESR

affected
< 78.4.1

Mozilla

Thunderbird

affected
< 78.4.2

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