CVE-2016-1968
Integer underflow in Brotli, as used in Mozilla Firefox before 45.0, allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via crafted data with brotli
02 Description
Integer underflow in Brotli, as used in Mozilla Firefox before 45.0, allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via crafted data with brotli
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
- 4.14% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 90.3% 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
- 2016-03-13 18:00Z10 YR AGO
- Last updated
- 2024-08-05 23:17Z2 YR AGO
- Reserved
- 2016-01-20
- Assigning CNA
- mozilla
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 2310b4d2cb4c12e006d0c9b47825819036453b94d4248bca8def825c4c828f22
05 Affected products
06 References
- lists.opensuse.orgopenSUSE-SU-2016:0731http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html
- www.mozilla.orghttp://www.mozilla.org/security/announce/2016/mfsa2016-30.html
- www.ubuntu.comUSN-2917-1http://www.ubuntu.com/usn/USN-2917-1
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1246742
- lists.opensuse.orgopenSUSE-SU-2016:0733http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html
- www.securitytracker.com1035215http://www.securitytracker.com/id/1035215
- security.gentoo.orgGLSA-201605-06https://security.gentoo.org/glsa/201605-06
- www.ubuntu.comUSN-2917-2http://www.ubuntu.com/usn/USN-2917-2
- www.ubuntu.comUSN-2917-3http://www.ubuntu.com/usn/USN-2917-3
07 Fixed in
Debian 12
- brotli Fixed in 0.3.0+dfsg-3
- firefox-esr Fixed in 45.0esr-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- brotli Fixed in 0.3.0+dfsg-3
- firefox-esr Fixed in 45.0esr-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- brotli Fixed in 0.3.0+dfsg-3
- firefox-esr Fixed in 45.0esr-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- firefox Fixed in 45.0+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
- brotli Fixed in 0.3.0+dfsg-2ubuntu1
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.