CVE-2020-12395 Information

Description

Mozilla developers and community members reported memory safety bugs present in Firefox 75 and Firefox ESR 68.7. 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 ESR 68.8 Firefox 76 and Thunderbird 68.8.0.

CVSS Vector

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

Reference

https://bugzilla.mozilla.org/buglist.cgi?bug_id=15958862C16114822C16147042C16240982C16257492C16263822C16280762C1631508 https://security.gentoo.org/glsa/202005-03 https://security.gentoo.org/glsa/202005-04 https://usn.ubuntu.com/4373-1/ https://www.mozilla.org/security/advisories/mfsa2020-16/ https://www.mozilla.org/security/advisories/mfsa2020-17/ https://www.mozilla.org/security/advisories/mfsa2020-18/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8