CVE-2017-7828 Information

Description

A use-after-free vulnerability can occur when flushing and resizing layout because the \PressShell\ object has been freed while still in use. This results in a potentially exploitable crash during these operations. This vulnerability affects Firefox 57 Firefox ESR 52.5 and Thunderbird 52.5.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/101832 http://www.securitytracker.com/id/1039803 https://access.redhat.com/errata/RHSA-2017:3247 https://access.redhat.com/errata/RHSA-2017:3372 https://bugzilla.mozilla.org/show_bug.cgi?id=1406750 https://bugzilla.mozilla.org/show_bug.cgi?id=1412252 https://lists.debian.org/debian-lts-announce/2017/11/msg00018.html https://lists.debian.org/debian-lts-announce/2017/12/msg00001.html https://www.debian.org/security/2017/dsa-4035 https://www.debian.org/security/2017/dsa-4061 https://www.debian.org/security/2017/dsa-4075 https://www.mozilla.org/security/advisories/mfsa2017-24/ https://www.mozilla.org/security/advisories/mfsa2017-25/ https://www.mozilla.org/security/advisories/mfsa2017-26/

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