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CVE-2019-17026

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CVE-2019-17026

Published: Mar 2, 2020

Modified: Oct 21, 2025

PUBLISHED

Description

Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 68.4.1, Thunderbird < 68.4.1, and Firefox < 72.0.1.

VendorProductVersions

Mozilla

Firefox ESR

affected
unspecified - < 68.4.1

Mozilla

Thunderbird

affected
unspecified - < 68.4.1

Mozilla

Firefox

affected
unspecified - < 72.0.1

References

GLSA-202003-02
vendor-advisory
x_refsource_GENTOO
USN-4335-1
vendor-advisory
x_refsource_UBUNTU

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