CVE-2017-5396 Information

Description

A use-after-free vulnerability in the Media Decoder when working with media files when some events are fired after the media elements are freed from memory. This vulnerability affects Thunderbird 45.7 Firefox ESR 45.7 and Firefox 51.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://rhn.redhat.com/errata/RHSA-2017-0190.html http://rhn.redhat.com/errata/RHSA-2017-0238.html http://www.securityfocus.com/bid/95769 http://www.securitytracker.com/id/1037693 https://bugzilla.mozilla.org/show_bug.cgi?id=1329403 https://security.gentoo.org/glsa/201702-13 https://security.gentoo.org/glsa/201702-22 https://www.debian.org/security/2017/dsa-3771 https://www.debian.org/security/2017/dsa-3832 https://www.mozilla.org/security/advisories/mfsa2017-01/ https://www.mozilla.org/security/advisories/mfsa2017-02/ https://www.mozilla.org/security/advisories/mfsa2017-03/

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