CVE-2017-16664 Code injection in n/a

What is CVE-2017-16664?

CVE-2017-16664 is a high-severity code injection vulnerability in Debian Debian Linux, published on 21 Nov 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Code injection exists in Kernel/System/Spelling.pm in Open Ticket Request System (OTRS) 5 before 5.0.24, 4 before 4.0.26, and 3.3 before 3.3.20. In the agent interface, an authenticated remote attacker can execute shell commands as the webserver user via URL manipulation.

Weakness: CWE-94

Which versions are affected by CVE-2017-16664?

It affects 2 products.

Products include Debian Debian Linux, Otrs Otrs.

How do I fix CVE-2017-16664?

Upgrade to a fixed version.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2017-16664 being exploited?

There is no known exploitation of CVE-2017-16664 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 DEBIAN-CVE-2017-16664, DSA-4047-1, GHSA-fw6p-44w4-4vwh, UBUNTU-CVE-2017-16664.