Security Advisory

CVE-2020-26974

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-01-07 13:52:53

Last updated 2024-08-04 16:03:23

Assigner mozilla

State PUBLISHED

Description

When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

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