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Fencer Vulns
high 7.5

CVE-2017-9993 in the critical feed json

FFmpeg before 2.8.12, 3.0.x and 3.1.x before 3.1.9, 3.2.x before 3.2.6, and 3.3.x before 3.3.2 does not properly restrict HTTP Live Streami…

published 2017-06-28 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-18902

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
16.4%
EPSS 16.4% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

FFmpeg before 2.8.12, 3.0.x and 3.1.x before 3.1.9, 3.2.x before 3.2.6, and 3.3.x before 3.3.2 does not properly restrict HTTP Live Streaming filename extensions and demuxer names, which allows attackers to read arbitrary files via crafted playlist data.

Patch / fix

  • ffmpeg ffmpeg 2.8.12, 3.1.9, 3.2.6, 3.3.2
  • ffmpeg Debian 14, Debian 13, Debian 12 7:3.2.6-1

debian advisories DEBIAN-CVE-2017-9993

  • ffmpeg Ubuntu 16.04 LTS 7:2.8.14-0ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2017-9993

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ffmpeg Alpine 3.5, Alpine 3.4 3.1.9-r0
  • ffmpeg Alpine 3.6 3.2.6-r0

alpine advisories ALPINE-CVE-2017-9993

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

16.44% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns 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.