CVE-2020-6820

Medium

Open

KEV

TLP:CLEAR

Mozilla Firefox And Thunderbird Use-After-Free Vulnerability

NVD CVE.org

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Description

Mozilla — Firefox and Thunderbird — Mozilla Firefox and Thunderbird contain a race condition vulnerability when handling a ReadableStream under certain conditions. The race condition creates a use-after-free vulnerability, causing unspecified impacts.

Details

EPSS Score ⓘ: 6.31%

93th percentile
Confidence: 100%
CISA KEV
Date Added: Nov 3, 2021
Patch Due: May 3, 2022
Required Action: Apply updates per vendor instructions.

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