CVE-2020-12416

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

A VideoStreamEncoder may have been freed in a race condition with VideoBroadcaster::AddOrUpdateSink, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 78.

References

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

https://bugzilla.mozilla.org/show_bug.cgi?id=1639734

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-416

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