Debian: DSA-4550-1 Urgent Warning: Vulnerability in File Buffer Overflow

A buffer overflow was found in file, a file type classification tool,
which may result in denial of service or potentially the execution of
arbitrary code if a malformed CDF (Composite Document File) file is
processed.

For the oldstable distribution (stretch), this problem has been fixed
in version 1:5.30-1+deb9u3.

For the stable distribution (buster), this problem has been fixed in
version 1:5.35-4+deb10u1.

We recommend that you upgrade your file packages.

For the detailed security status of file please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/file

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/