DEBIAN-CVE-2016-5254

DEBIAN-CVE-2016-5254 PUBLISHED CVSS 9.800000190734863 CRITICAL

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.

Risk Scores

CVSS v3.0

9.800000190734863

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

Affected Products

Vendor	Product	Versions
Debian:13	firefox-esr	0, 0, 0
Debian:11	firefox-esr	0, 0, 0
Debian:12	firefox-esr	0, 0, 0
Debian:14	firefox-esr	0, 0, 0

Timeline

Aug 5, 2016 CVE Published
Apr 28, 2026 CVE Updated

References

https://security-tracker.debian.org/tracker/CVE-2016-5254 advisory

Open in Interactive Console →