CVE-2016-5254

Mozilla: Use-after-free when using alt key and toplevel menus (MFSA 2016-70)

Published Aug 5, 2016 CVSS 3.0 · 9.8 Critical EPSS 3.0% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-585-1 firefox-esr security update
Debian DSA Debian DSA DSA-3640-1 firefox-esr security update
EUVD EUVD EUVD-2016-6205 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.
Ubuntu USN Ubuntu USN USN-3044-1 Firefox vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox_esr:45.1.0:*:*:*:*:*:*:* cpe:2.3:a:mozilla:firefox:45.1.0:*:*:*:*:*:*:*
Vendors & Products Mozilla firefox Esr
Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox_esr:45.1.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:45.2.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:45.3.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:45.1.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:45.2.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:45.3.0:*:*:*:*:*:*:*
Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Aug 6, 2024, 12:53 AM
Reserved
Jun 3, 2016, 12:00 AM
Status
Modified
Published
Aug 5, 2016, 1:59 AM
Modified
Jun 17, 2026, 12:49 AM
Severity
Low
Public date
Aug 2, 2016, 12:00 AM