CVE-2020-17367 Command injection in n/a

What is CVE-2020-17367?

CVE-2020-17367 is a high-severity command injection vulnerability in Debian Debian Linux, published on 11 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Firejail through 0.9.62 does not honor the -- end-of-options indicator after the --output option, which may lead to command injection.

Weakness: CWE-88

Which versions are affected by CVE-2020-17367?

It affects 4 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Firejail Project Firejail, Opensuse Leap.

How do I fix CVE-2020-17367?

Apply the vendor's patch.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2020-17367 being exploited?

There is no known exploitation of CVE-2020-17367 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-2020-17367, GHSA-rf94-4gm4-mj5j, UBUNTU-CVE-2020-17367.