CVE-2017-9993 Path traversal in n/a

What is CVE-2017-9993?

CVE-2017-9993 is a high-severity path traversal vulnerability in Debian Debian Linux, published on 28 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-200

Which versions are affected by CVE-2017-9993?

It affects 2 products.

Products include Debian Debian Linux, Ffmpeg Ffmpeg.

How do I fix CVE-2017-9993?

Upgrade to a fixed version.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2017-9993 being exploited?

There is no known exploitation of CVE-2017-9993 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2017-9993, DEBIAN-CVE-2017-9993, GHSA-935f-c84q-vhpw, UBUNTU-CVE-2017-9993.