CVE-2016-3977
Heap-based buffer overflow in util/gif2rgb.c in gif2rgb in giflib 5.1.2 allows remote attackers to cause a denial of service (application crash) via the background color index in a GIF file.
02 Description
Heap-based buffer overflow in util/gif2rgb.c in gif2rgb in giflib 5.1.2 allows remote attackers to cause a denial of service (application crash) via the background color index in a GIF file.
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
- 2.10% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 81.5% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- 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
- 2016-04-21 14:00Z10 YR AGO
- Last updated
- 2024-08-06 00:10Z2 YR AGO
- Reserved
- 2016-04-07
- Assigning CNA
- mitre
- 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
- 7b87ed276f1ba1ff278bcd0b665896bf5ec4fde71448a1d0e6ee6d5ef7a315ae
05 Affected products
06 References
- www.securityfocus.com88103http://www.securityfocus.com/bid/88103
- lists.opensuse.orgopenSUSE-SU-2016:1118http://lists.opensuse.org/opensuse-updates/2016-04/msg00084.html
- sourceforge.nethttps://sourceforge.net/p/giflib/bugs/87/
- sourceforge.nethttps://sourceforge.net/p/giflib/code/ci/ea8dbc5786862a3e16a5acfa3d24e2c2f608cd88/
- lists.opensuse.orgopenSUSE-SU-2016:1111http://lists.opensuse.org/opensuse-updates/2016-04/msg00079.html
- bugs.fihttp://bugs.fi/fuzzing/index.html
- lists.opensuse.orgopenSUSE-SU-2016:1219http://lists.opensuse.org/opensuse-updates/2016-05/msg00019.html
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1325771
- usn.ubuntu.comUSN-4107-1https://usn.ubuntu.com/4107-1/
07 Fixed in
Debian 12
- giflib Fixed in 5.1.4-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- giflib Fixed in 5.1.4-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- giflib Fixed in 5.1.4-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- giflib Fixed in 5.1.4-2ubuntu0.1
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.