CVE-2016-2837
Heap-based buffer overflow in the ClearKey Content Decryption Module (CDM) in the Encrypted Media Extensions (EME) API in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 might allow
02 Description
Heap-based buffer overflow in the ClearKey Content Decryption Module (CDM) in the Encrypted Media Extensions (EME) API in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 might allow
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 4.57% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.2% of scored records. A rank, not a probability.
- NVD base score
- 6.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-08-05 01:00Z10 YR AGO
- Last updated
- 2024-08-05 23:32Z2 YR AGO
- Reserved
- 2016-03-01
- Assigning CNA
- mozilla
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- ea0271bebb31db3a495534756d50f534659768603c581742a0aab28c6128eaab
05 Affected products
06 References
- www.mozilla.orghttp://www.mozilla.org/security/announce/2016/mfsa2016-77.html
- www.debian.orgDSA-3640http://www.debian.org/security/2016/dsa-3640
- www.securitytracker.com1036508http://www.securitytracker.com/id/1036508
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- www.ubuntu.comUSN-3044-1http://www.ubuntu.com/usn/USN-3044-1
- www.securityfocus.com92258http://www.securityfocus.com/bid/92258
- rhn.redhat.comRHSA-2016:1551http://rhn.redhat.com/errata/RHSA-2016-1551.html
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1274637
- security.gentoo.orgGLSA-201701-15https://security.gentoo.org/glsa/201701-15
- lists.opensuse.orgopenSUSE-SU-2016:1964http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html
- www.zerodayinitiative.comhttp://www.zerodayinitiative.com/advisories/ZDI-16-673
- lists.opensuse.orgopenSUSE-SU-2016:2026http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html
07 Fixed in
Debian 12
- firefox-esr Fixed in 45.3.0esr-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- firefox-esr Fixed in 45.3.0esr-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- firefox-esr Fixed in 45.3.0esr-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- firefox Fixed in 48.0+build2-0ubuntu0.14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- firefox Fixed in 48.0+build2-0ubuntu0.16.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.