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CVE-2019-17026

CVSS v3.1 8.8 (High)
88% Progress
CVSS v2.0 6.8 (Medium)
68% Progress
EPSS 47.10 % (98th)
47.10% Progress
Affected Products 4
Advisories 31
Info CVSS EPSS Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

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.

Weaknesses
CWE-843
Access of Resource Using Incompatible Type ('Type Confusion')
CVE Status
PUBLISHED
CNA
Mozilla Corporation
Published Date
2020-03-02 05:15:12
(4 years ago)
Updated Date
2022-11-16 03:00:36
(22 months ago)
Mozilla Firefox And Thunderbird Type Confusion Vulnerability (CISA - Known Exploited Vulnerabilities Catalog)
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.
Known to be Used in Ransomware Campaigns
Unknown
Notes
https://nvd.nist.gov/vuln/detail/CVE-2019-17026
Vendor
Mozilla
Product
Firefox and Thunderbird
In CISA Catalog from
2021-11-03
(2 years ago)
Due Date
2022-05-03
(2 years ago)

Affected Products

Canonical

Mozilla

Configuration #1

    CPE23 From Up To
  Mozilla Firefox prior 72.0.1 version cpe:2.3:a:mozilla:firefox < 72.0.1
  Mozilla Firefox Esr prior 68.4.1 version cpe:2.3:a:mozilla:firefox_esr < 68.4.1
  Mozilla Thunderbird prior 68.4.1 version cpe:2.3:a:mozilla:thunderbird < 68.4.1

Configuration #2

    CPE23 From Up To
  Canonical Ubuntu Linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm