critical
CVE-2016-5254
Mozilla: Use-after-free when using alt key and toplevel menus (MFSA 2016-70)
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.
Severity by source
NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Trivy's own label is CRITICAL. Rated critical by NVD, Oracle. Rated lower by Ubuntu (medium), Red Hat (low).
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.
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| Oracle Linux 5 | firefox | 45.3.0-1.0.1.el5_11 |
| Oracle Linux 6 | firefox | 45.3.0-1.0.1.el6_8 |
| Oracle Linux 7 | firefox | 45.3.0-1.0.1.el7_2 |
| debian 11 | firefox-esr | 45.3.0esr-1 |
| debian 12 | firefox-esr | 45.3.0esr-1 |
| debian 13 | firefox-esr | 45.3.0esr-1 |
| debian 14 | firefox-esr | 45.3.0esr-1 |
| debian 7 | firefox-esr | 45.3.0esr-1~deb7u1 |
| debian 8 | firefox-esr | 45.3.0esr-1~deb8u1 |
| echo | firefox-esr | 45.3.0esr-1 |
| ubuntu 12.04 | firefox | 48.0+build2-0ubuntu0.12.04.1 |
| ubuntu 14.04 | firefox | 48.0+build2-0ubuntu0.14.04.1 |
Show all 13 entries from 13 sources
| Source | Package | Fixed in |
|---|---|---|
| Oracle Linux 5 | firefox | 45.3.0-1.0.1.el5_11 |
| Oracle Linux 6 | firefox | 45.3.0-1.0.1.el6_8 |
| Oracle Linux 7 | firefox | 45.3.0-1.0.1.el7_2 |
| debian 11 | firefox-esr | 45.3.0esr-1 |
| debian 12 | firefox-esr | 45.3.0esr-1 |
| debian 13 | firefox-esr | 45.3.0esr-1 |
| debian 14 | firefox-esr | 45.3.0esr-1 |
| debian 7 | firefox-esr | 45.3.0esr-1~deb7u1 |
| debian 8 | firefox-esr | 45.3.0esr-1~deb8u1 |
| echo | firefox-esr | 45.3.0esr-1 |
| ubuntu 12.04 | firefox | 48.0+build2-0ubuntu0.12.04.1 |
| ubuntu 14.04 | firefox | 48.0+build2-0ubuntu0.14.04.1 |
| ubuntu 16.04 | firefox | 48.0+build2-0ubuntu0.16.04.1 |
References
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html
- http://rhn.redhat.com/errata/RHSA-2016-1551.html
- http://www.debian.org/security/2016/dsa-3640
- http://www.mozilla.org/security/announce/2016/mfsa2016-70.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.securityfocus.com/bid/92261
- http://www.securitytracker.com/id/1036508
All 19 references
- http://www.ubuntu.com/usn/USN-3044-1
- https://access.redhat.com/security/cve/CVE-2016-5254
- https://bugzilla.mozilla.org/show_bug.cgi?id=1266963
- https://linux.oracle.com/cve/CVE-2016-5254.html
- https://linux.oracle.com/errata/ELSA-2016-1551.html
- https://nvd.nist.gov/vuln/detail/CVE-2016-5254
- https://security.gentoo.org/glsa/201701-15
- https://ubuntu.com/security/notices/USN-3044-1
- https://www.cve.org/CVERecord?id=CVE-2016-5254
- https://www.mozilla.org/en-US/security/advisories/mfsa2016-70/
- https://www.mozilla.org/security/announce/2016/mfsa2016-70.html