CVE-2020-12426

high
New! CVE Severity Now Using CVSS v3

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Description

Mozilla developers and community members reported memory safety bugs present in Firefox 77. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 78.

References

https://www.mozilla.org/security/advisories/mfsa2020-24/

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1608068%2C1609951%2C1631187%2C1637682

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html

https://security.gentoo.org/glsa/202007-10

Details

Source: MITRE

Published: 2020-07-09

Updated: 2021-07-21

Type: CWE-119

Risk Information

CVSS v2

Base Score: 9.3

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

Impact Score: 10

Exploitability Score: 8.6

Severity: HIGH

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

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Tenable Plugins

View all (11 total)

IDNameProductFamilySeverity
150683SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2020:14421-1)NessusSuSE Local Security Checks
high
138933GLSA-202007-10 : Mozilla Firefox: Multiple vulnerabilitiesNessusGentoo Local Security Checks
high
138786openSUSE Security Update : MozillaFirefox (openSUSE-2020-1017)NessusSuSE Local Security Checks
high
138747openSUSE Security Update : MozillaFirefox (openSUSE-2020-983)NessusSuSE Local Security Checks
high
138589Mozilla Thunderbird < 78.0NessusWindows
high
138588Mozilla Thunderbird < 78.0NessusMacOS X Local Security Checks
high
138494SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2020:1899-1)NessusSuSE Local Security Checks
high
138493SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:1898-1)NessusSuSE Local Security Checks
high
138133Ubuntu 16.04 LTS / 18.04 LTS / 19.10 / 20.04 : Firefox vulnerabilities (USN-4408-1)NessusUbuntu Local Security Checks
high
138085Mozilla Firefox < 78.0NessusWindows
high
138084Mozilla Firefox < 78.0NessusMacOS X Local Security Checks
high