CVE-2019-17026

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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.

References

https://www.mozilla.org/security/advisories/mfsa2020-03/

https://www.mozilla.org/security/advisories/mfsa2020-04/

https://bugzilla.mozilla.org/show_bug.cgi?id=1607443

https://security.gentoo.org/glsa/202003-02

https://usn.ubuntu.com/4335-1/

http://packetstormsecurity.com/files/162568/Firefox-72-IonMonkey-JIT-Type-Confusion.html

Details

Source: MITRE

Published: 2020-03-02

Updated: 2021-05-13

Type: CWE-843

Risk Information

CVSS v2

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH

Tenable Plugins

View all (53 total)

IDNameProductFamilySeverity
150661SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2020:14268-1)NessusSuSE Local Security Checks
high
147407NewStart CGSL MAIN 4.06 : firefox Multiple Vulnerabilities (NS-SA-2021-0004)NessusNewStart CGSL Local Security Checks
critical
147312NewStart CGSL MAIN 4.06 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0002)NessusNewStart CGSL Local Security Checks
critical
145921CentOS 8 : firefox (CESA-2020:0111)NessusCentOS Local Security Checks
high
143979NewStart CGSL CORE 5.05 / MAIN 5.05 : thunderbird Multiple Vulnerabilities (NS-SA-2020-0093)NessusNewStart CGSL Local Security Checks
critical
143948NewStart CGSL CORE 5.05 / MAIN 5.05 : firefox Multiple Vulnerabilities (NS-SA-2020-0097)NessusNewStart CGSL Local Security Checks
critical
140291NewStart CGSL MAIN 4.05 : thunderbird Multiple Vulnerabilities (NS-SA-2020-0046)NessusNewStart CGSL Local Security Checks
critical
140283NewStart CGSL MAIN 4.05 : firefox Multiple Vulnerabilities (NS-SA-2020-0047)NessusNewStart CGSL Local Security Checks
critical
135896Ubuntu 16.04 LTS : Thunderbird vulnerabilities (USN-4335-1)NessusUbuntu Local Security Checks
critical
134469GLSA-202003-02 : Mozilla Firefox: Multiple vulnerabilitiesNessusGentoo Local Security Checks
critical
134325NewStart CGSL CORE 5.04 / MAIN 5.04 : firefox Multiple Vulnerabilities (NS-SA-2020-0011)NessusNewStart CGSL Local Security Checks
high
134321NewStart CGSL CORE 5.04 / MAIN 5.04 : thunderbird Multiple Vulnerabilities (NS-SA-2020-0010)NessusNewStart CGSL Local Security Checks
high
133652Amazon Linux 2 : thunderbird (ALAS-2020-1393)NessusAmazon Linux Local Security Checks
high
133413Debian DLA-2093-1 : firefox-esr security updateNessusDebian Local Security Checks
high
133386RHEL 8 : firefox (RHSA-2020:0295)NessusRed Hat Local Security Checks
high
133384RHEL 8 : thunderbird (RHSA-2020:0292)NessusRed Hat Local Security Checks
high
133199openSUSE Security Update : MozillaThunderbird (openSUSE-2020-94)NessusSuSE Local Security Checks
high
133153Oracle Linux 8 : thunderbird (ELSA-2020-0127)NessusOracle Linux Local Security Checks
high
133129Scientific Linux Security Update : thunderbird on SL7.x x86_64 (20200116)NessusScientific Linux Local Security Checks
high
133128Scientific Linux Security Update : thunderbird on SL6.x i386/x86_64 (20200116)NessusScientific Linux Local Security Checks
high
133106Debian DSA-4603-1 : thunderbird - security updateNessusDebian Local Security Checks
high
133104Debian DLA-2071-1 : thunderbird security updateNessusDebian Local Security Checks
high
133099CentOS 6 : thunderbird (CESA-2020:0123)NessusCentOS Local Security Checks
high
133097CentOS 7 : thunderbird (CESA-2020:0120)NessusCentOS Local Security Checks
high
133040Ubuntu 18.04 LTS / 19.10 : Thunderbird vulnerabilities (USN-4241-1)NessusUbuntu Local Security Checks
high
133026RHEL 8 : thunderbird (RHSA-2020:0127)NessusRed Hat Local Security Checks
high
133024RHEL 6 : thunderbird (RHSA-2020:0123)NessusRed Hat Local Security Checks
high
133022RHEL 7 : thunderbird (RHSA-2020:0120)NessusRed Hat Local Security Checks
high
133019Oracle Linux 7 : thunderbird (ELSA-2020-0120)NessusOracle Linux Local Security Checks
high
132949openSUSE Security Update : MozillaFirefox (openSUSE-2020-60)NessusSuSE Local Security Checks
high
132944Oracle Linux 8 : firefox (ELSA-2020-0111)NessusOracle Linux Local Security Checks
high
132939CentOS 7 : firefox (CESA-2020:0085)NessusCentOS Local Security Checks
high
132921SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:0078-1)NessusSuSE Local Security Checks
high
132889Scientific Linux Security Update : firefox on SL7.x x86_64 (20200113)NessusScientific Linux Local Security Checks
high
132888Scientific Linux Security Update : firefox on SL6.x i386/x86_64 (20200113)NessusScientific Linux Local Security Checks
high
132887RHEL 8 : firefox (RHSA-2020:0111)NessusRed Hat Local Security Checks
high
132885RHEL 6 : firefox (RHSA-2020:0086)NessusRed Hat Local Security Checks
high
132884RHEL 7 : firefox (RHSA-2020:0085)NessusRed Hat Local Security Checks
high
132881Oracle Linux 7 : firefox (ELSA-2020-0085)NessusOracle Linux Local Security Checks
high
132873CentOS 6 : firefox (CESA-2020:0086)NessusCentOS Local Security Checks
high
132854Ubuntu 16.04 LTS / 18.04 LTS / 19.04 / 19.10 : firefox vulnerabilities (USN-4234-1)NessusUbuntu Local Security Checks
high
132852SUSE SLED12 / SLES12 Security Update : MozillaFirefox (SUSE-SU-2020:0068-1)NessusSuSE Local Security Checks
high
132847Slackware 14.2 / current : mozilla-thunderbird (SSA:2020-010-01)NessusSlackware Local Security Checks
high
132774Mozilla Thunderbird < 68.4.1NessusWindows
high
132773Mozilla Thunderbird < 68.4.1NessusMacOS X Local Security Checks
high
132760Debian DSA-4600-1 : firefox-esr - security updateNessusDebian Local Security Checks
high
132758Debian DLA-2061-1 : firefox-esr security updateNessusDebian Local Security Checks
high
701258Mozilla Firefox ESR < 68.4.1 Type Confusion (mfsa2020-03)Nessus Network MonitorWeb Clients
high
701257Mozilla Firefox < 72.0.1 Type Confusion (mfsa2020-03)Nessus Network MonitorWeb Clients
high
132715Mozilla Firefox < 72.0.1NessusWindows
high
132714Mozilla Firefox ESR < 68.4.1NessusWindows
high
132713Mozilla Firefox < 72.0.1NessusMacOS X Local Security Checks
high
132712Mozilla Firefox ESR < 68.4.1NessusMacOS X Local Security Checks
high