CVE-2019-15846 Command injection in n/a

What is CVE-2019-15846?

CVE-2019-15846 is a critical command injection vulnerability in Debian Debian Linux, published on 6 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Exim before 4.92.2 allows remote attackers to execute arbitrary code as root via a trailing backslash.

Which versions are affected by CVE-2019-15846?

It affects 2 products.

Products include Debian Debian Linux, Exim Exim.

How do I fix CVE-2019-15846?

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-2019-15846 being exploited?

There is no known exploitation of CVE-2019-15846 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Debian Debian Linux

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• 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 CLEANSTART-2025-MR41152, DEBIAN-CVE-2019-15846, DLA-1911-1, DSA-4517-1, GHSA-f368-8x8g-4m4v, UBUNTU-CVE-2019-15846 and 3 more.