CVE-2016-6881 json
The zlib_refill function in libavformat/swfdec.c in FFmpeg before 3.1.3 allows remote attackers to cause an infinite loop denial of service…
published 2016-12-23 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-7766
- cvss
- 5.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
The zlib_refill function in libavformat/swfdec.c in FFmpeg before 3.1.3 allows remote attackers to cause an infinite loop denial of service via a crafted SWF file.
Patch / fix
- ffmpeg Debian 14, Debian 13, Debian 12 7:3.1.3-1
debian advisories DEBIAN-CVE-2016-6881
- ffmpeg Alpine 3.3 2.8.11-r0
- ffmpeg Alpine 3.4 3.0.7-r0
alpine advisories ALPINE-CVE-2016-6881
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Exploit prediction
0.90% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-399 Resource Management Errors
References
-
securityfocus.com
/bid/93163
vdb-entry
-
openwall.com
/lists/oss-security/2016/09/26/6
mailing-list, third-party-advisory
Sources
- CVE List CVE-2016-6881
- NVD CVE-2016-6881
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.