vulnerability

Ubuntu: (Multiple Advisories) (CVE-2019-17026): Firefox vulnerabilities

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Jan 9, 2020
Added
Jan 10, 2020
Modified
Mar 27, 2026

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.

Solutions

ubuntu-upgrade-firefoxubuntu-upgrade-thunderbird

References

    Title
    Rapid7 Labs

    2026 Global Threat Landscape Report

    The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.