CVE-2019-19604 Command injection in n/a

What is CVE-2019-19604?

CVE-2019-19604 is a high-severity command injection vulnerability in Debian Debian Linux, published on 10 Dec 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Arbitrary command execution is possible in Git before 2.20.2, 2.21.x before 2.21.1, 2.22.x before 2.22.2, 2.23.x before 2.23.1, and 2.24.x before 2.24.1 because a "git submodule update" operation can run commands found in the .gitmodules file of a malicious repository.

Weakness: CWE-862, CWE-78

Which versions are affected by CVE-2019-19604?

It affects 4 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Git-Scm Git, Opensuse Leap.

How do I fix CVE-2019-19604?

Upgrade to a fixed version.

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

Is CVE-2019-19604 being exploited?

There is no known exploitation of CVE-2019-19604 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-2019-19604, CLEANSTART-2026-XD17499, DEBIAN-CVE-2019-19604, GHSA-4vp4-vvrc-wvhx.