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CVE-2019-17026 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/162568/Firefox-72-IonMonkey-JIT-Type-Confusion.html Exploit  Third Party Advisory  VDB Entry 
http://packetstormsecurity.com/files/162568/Firefox-72-IonMonkey-JIT-Type-Confusion.html Exploit  Third Party Advisory  VDB Entry 
https://bugzilla.mozilla.org/show_bug.cgi?id=1607443 Issue Tracking  Permissions Required 
https://bugzilla.mozilla.org/show_bug.cgi?id=1607443 Issue Tracking  Permissions Required 
https://security.gentoo.org/glsa/202003-02 Third Party Advisory 
https://security.gentoo.org/glsa/202003-02 Third Party Advisory 
https://usn.ubuntu.com/4335-1/ Third Party Advisory 
https://usn.ubuntu.com/4335-1/ Third Party Advisory 
https://www.mozilla.org/security/advisories/mfsa2020-03/ Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2020-03/ Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2020-04/ Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2020-04/ Vendor Advisory 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
Mozilla Firefox And Thunderbird Type Confusion Vulnerability 11/03/2021 05/03/2022 Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-17026
NVD Published Date:
03/02/2020
NVD Last Modified:
11/20/2024
Source:
Mozilla Corporation