CVE-2019-17026

KEV
Published: Mar 02, 2020 Last Modified: Nov 04, 2025
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM 6,8
Source: [email protected]
Access Vector: network
Access Complexity: medium
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,6481
Percentile
1,0th
Updated

EPSS Score Trend (Last 91 Days)

843

Access of Resource Using Incompatible Type ('Type Confusion')

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Integrity Confidentiality
Potential Impacts:
Read Memory Modify Memory Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart
Applicable Platforms
Languages: C, C++
View CWE Details
Exploit

Firefox 72 IonMonkey - JIT Type Confusion

Firefox 72 IonMonkey - JIT Type Confusion

Author: Forrest Orr Published:
View Exploit Code →
Application

Firefox by Mozilla

Product Information
Vendor Mozilla
Product Firefox
Version Range Affected
To 72.0.1 (exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Ubuntu Linux by Canonical

Product Information
Vendor Canonical
Product Ubuntu Linux
Version 16.04
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Firefox by Mozilla

Product Information
Vendor Mozilla
Product Firefox
Version Range Affected
To 68.4.1 (exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Thunderbird by Mozilla

Product Information
Vendor Mozilla
Product Thunderbird
Version Range Affected
To 68.4.1 (exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019…
http://packetstormsecurity.com/files/162568/Firefox-72-IonM…
http://packetstormsecurity.com/files/162568/Firefox-72-IonMonkey-JIT-Type-Confu…
https://bugzilla.mozilla.org/show_bug.cgi?id=1607443
https://bugzilla.mozilla.org/show_bug.cgi?id=1607443
https://security.gentoo.org/glsa/202003-02
https://security.gentoo.org/glsa/202003-02
https://usn.ubuntu.com/4335-1/
https://usn.ubuntu.com/4335-1/
https://www.mozilla.org/security/advisories/mfsa2020-03/
https://www.mozilla.org/security/advisories/mfsa2020-03/
https://www.mozilla.org/security/advisories/mfsa2020-04/
https://www.mozilla.org/security/advisories/mfsa2020-04/
http://packetstormsecurity.com/files/162568/Firefox-72-IonM…
http://packetstormsecurity.com/files/162568/Firefox-72-IonMonkey-JIT-Type-Confu…
https://bugzilla.mozilla.org/show_bug.cgi?id=1607443
https://bugzilla.mozilla.org/show_bug.cgi?id=1607443
https://security.gentoo.org/glsa/202003-02
https://security.gentoo.org/glsa/202003-02
https://usn.ubuntu.com/4335-1/
https://usn.ubuntu.com/4335-1/
https://www.mozilla.org/security/advisories/mfsa2020-03/
https://www.mozilla.org/security/advisories/mfsa2020-03/
https://www.mozilla.org/security/advisories/mfsa2020-04/
https://www.mozilla.org/security/advisories/mfsa2020-04/