CVE-2016-2808
The watch implementation in the JavaScript engine in Mozilla Firefox before 46.0, Firefox ESR 38.x before 38.8, and Firefox ESR 45.x before 45.1 allows remote attackers to execute arbitrary code or cause a denial of service (generation-count overflow,…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The watch implementation in the JavaScript engine in Mozilla Firefox before 46.0, Firefox ESR 38.x before 38.8, and Firefox ESR 45.x before 45.1 allows remote attackers to execute arbitrary code or cause a denial of service (generation-count overflow, out-of-bounds HashMap write access, and application crash) via a crafted web site.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.06% probability · 81th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
EPSS 2.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00054.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00057.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html
- http://rhn.redhat.com/errata/RHSA-2016-0695.html
- http://www.debian.org/security/2016/dsa-3559
- http://www.mozilla.org/security/announce/2016/mfsa2016-47.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securitytracker.com/id/1035692
- http://www.ubuntu.com/usn/USN-2936-1
- http://www.ubuntu.com/usn/USN-2936-2
- http://www.ubuntu.com/usn/USN-2936-3
- https://bugzilla.mozilla.org/show_bug.cgi?id=1246061
- https://security.gentoo.org/glsa/201701-15
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00054.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00057.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html
- http://rhn.redhat.com/errata/RHSA-2016-0695.html
- http://www.debian.org/security/2016/dsa-3559
- http://www.mozilla.org/security/announce/2016/mfsa2016-47.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securitytracker.com/id/1035692
- http://www.ubuntu.com/usn/USN-2936-1
- http://www.ubuntu.com/usn/USN-2936-2
- http://www.ubuntu.com/usn/USN-2936-3
- https://bugzilla.mozilla.org/show_bug.cgi?id=1246061
- https://security.gentoo.org/glsa/201701-15
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.