VYPR
Unrated severityCISA KEVNVD Advisory· Published Apr 24, 2020· Updated Oct 21, 2025

CVE-2020-6820

CVE-2020-6820

Description

Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.

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Affected products

33

Patches

Vulnerability mechanics

References

4

News mentions

0

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