CVE-2019-17026 - CVE House
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Status published Unknown CVE-2019-17026

Incorrect alias information in IonMonkey JIT compiler for setting array...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Firefox ESR, Thunderbird, Firefox
Vulnerable Versions:
unspecified

Timeline

Official Publish: March 2nd, 2020
Last Modified: October 21st, 2025
Added to House: July 20th, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.