CVE-2023-26314 Code injection in n/a

What is CVE-2023-26314?

CVE-2023-26314 is a high-severity code injection vulnerability in Debian Debian Linux, published on 22 Feb 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The mono package before 6.8.0.105+dfsg-3.3 for Debian allows arbitrary code execution because the application/x-ms-dos-executable MIME type is associated with an un-sandboxed Mono CLR interpreter.

Which versions are affected by CVE-2023-26314?

It affects 2 products.

Products include Debian Debian Linux, Mono-Project Mono.

How do I fix CVE-2023-26314?

Upgrade to a fixed version.

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

Is CVE-2023-26314 being exploited?

There is no known exploitation of CVE-2023-26314 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-2023-26314, DLA-3343-1, GHSA-796j-2mh8-qff6, UBUNTU-CVE-2023-26314.