Skip to content

Incorrect alias information in IonMonkey JIT compiler for...

Moderate severity Unreviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Feb 7, 2025

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

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.

References

Published by the National Vulnerability Database Mar 2, 2020
Published to the GitHub Advisory Database May 24, 2022
Last updated Feb 7, 2025

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(98th percentile)

Weaknesses

CVE ID

CVE-2019-17026

GHSA ID

GHSA-9m3f-27xq-x4j5

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

Learn more about GitHub language support

Loading Checking history
See something to contribute? Suggest improvements for this vulnerability.