CVE-2020-12426

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 09-07-2020 05:15

Last modified: - 27-04-2022 05:34

Total changes: - 3

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.

Common Vulnerability Scoring System (CVSS)

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

Low

Attack complexity

Network

Attack vector

High

Availability

High

Confidentiality

High

Integrity

None

Privileges required

Unchanged

Scope

Required

User interaction

8.8

Base score

2.8

5.9

Exploitability score

Impact score

Verification logic

vendor=mozilla AND product=firefox AND versionEndExcluding=78.0

vendor=opensuse AND product=leap AND version=15.1

vendor=opensuse AND product=leap AND version=15.2

Reference

https://www.mozilla.org/security/advisories/mfsa2020-24/
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1608068%2C1609951%2C1631187%2C1637682
openSUSE-SU-2020:0983-Mailing List, Third Party Advisory
openSUSE-SU-2020:1017-Mailing List, Third Party Advisory
GLSA-202007-10-Third Party Advisory

Keywords

CVE-2020-12426

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2020-12426

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures