Multiple vulnerabilities have been discovered in Wireshark, a network protocol analyzer, which could result in denial of service or the execution of arbitrary code.
For the stable distribution (stretch), these problems have been fixed in version 2.6.5-1~deb9u1.
We recommend that you upgrade your wireshark packages.
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/