CVE-2016-2838
Heap-based buffer overflow in the nsBidi::BracketData::AddOpening function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via
02 Description
Heap-based buffer overflow in the nsBidi::BracketData::AddOpening function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via
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
- 4.50% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.0% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (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:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. 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
- 73359fa47a91c309b743df0e56b49b6aa6b4f41337017f4fa00acd324118b398
05 Affected products
06 References
- 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.mozilla.orghttp://www.mozilla.org/security/announce/2016/mfsa2016-64.html
- rhn.redhat.comRHSA-2016:1551http://rhn.redhat.com/errata/RHSA-2016-1551.html
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1279814
- 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.securityfocus.com92261http://www.securityfocus.com/bid/92261
- 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.