CVE-2020-15659 Information

Description

Mozilla developers and community members reported memory safety bugs present in Firefox 78 and Firefox ESR 78.0. 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 79 Firefox ESR 68.11 Firefox ESR 78.1 Thunderbird 68.11 and Thunderbird 78.1.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00022.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00032.html https://bugzilla.mozilla.org/buglist.cgi?bug_id=15501332C16338802C16436132C16448392C16458352C16460062C16467872C16493472C16508112C1651678 https://usn.ubuntu.com/4443-1/ https://www.mozilla.org/security/advisories/mfsa2020-30/ https://www.mozilla.org/security/advisories/mfsa2020-31/ https://www.mozilla.org/security/advisories/mfsa2020-32/ https://www.mozilla.org/security/advisories/mfsa2020-33/ https://www.mozilla.org/security/advisories/mfsa2020-35/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8