CVE-2019-17026 — Mozilla Firefox And Thunderbird Type Confusion Vulnerability

CISA KEV listed Added November 3, 2021 Remediate by May 3, 2022

Description

Mozilla Firefox and Thunderbird contain a type confusion vulnerability due to incorrect alias information in the IonMonkey JIT compiler when setting array elements.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2019-17026

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