CVE-2016-5254

9.8 CRITICAL
Published: August 05, 2016 Modified: May 06, 2026
View on NVD

Description

Use-after-free vulnerability in the nsXULPopupManager::KeyDown function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) by leveraging keyboard access to use the Alt key during selection of top-level menu items.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.mozilla.org/security/announce/2016/mfsa2016-70.html
Source: security@mozilla.org
Vendor Advisory
http://www.securityfocus.com/bid/92261
Source: security@mozilla.org
http://www.securitytracker.com/id/1036508
Source: security@mozilla.org
http://www.ubuntu.com/usn/USN-3044-1
Source: security@mozilla.org
https://bugzilla.mozilla.org/show_bug.cgi?id=1266963
Source: security@mozilla.org
Issue Tracking Permissions Required
http://rhn.redhat.com/errata/RHSA-2016-1551.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2016/dsa-3640
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.mozilla.org/security/announce/2016/mfsa2016-70.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.securityfocus.com/bid/92261
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1036508
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3044-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.mozilla.org/show_bug.cgi?id=1266963
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Permissions Required
https://security.gentoo.org/glsa/201701-15
Source: af854a3a-2127-422b-91ae-364da2661108

22 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
1.5%
81th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

oracle mozilla