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.

References

• https://bugs.debian.org/972146
• https://lists.debian.org/debian-lts-announce/2023/02/msg00037.html
• https://www.openwall.com/lists/oss-security/2023/01/05/1
• http://www.openwall.com/lists/oss-security/2026/05/19/2
• http://www.openwall.com/lists/oss-security/2026/05/19/41
• https://bugs.debian.org/972146
• https://lists.debian.org/debian-lts-announce/2023/02/msg00037.html
• https://www.openwall.com/lists/oss-security/2023/01/05/1