PatchTheCVECVE-2016-4352: Integer overflow in the demuxer function in libmpdemux/demux_gif.c in Mplayer allows remote attackers to cause
CVE-2016-4352 is a medium-severity flaw (CVSS 5.5) affecting libavformat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Integer overflow in the demuxer function in libmpdemux/demux_gif.c in Mplayer allows remote attackers to cause a denial of service (crash) via large dimensions in a gif file.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.1% (top 35%) |
| CISA exploited list | No |
| Weakness | CWE-190 |
| Published | 2017-02-03 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2016-4352?
libavformat: upgrade to newer than 57.34.103. Exact commands for each OS are on this page.
Is CVE-2016-4352 being exploited?
CVE-2016-4352 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2016-4352 affect?
CVE-2016-4352 affects libavformat. Severity is medium (CVSS 5.5). Integer overflow in the demuxer function in libmpdemux/demux_gif.c in Mplayer allows remote attackers to cause a denial of service (crash) via large dimensions in a gif file.
How urgent is CVE-2016-4352?
Priority 35/100. No elevated risk signals yet.
Related CVEs
- CVE-2016-5115 MEDIUM 5.5 DOWNGRADE The avcodec_decode_audio4 function in libavcodec in libavformat 57.34.103, as used in MPlayer, allows remote a