Due to improper input validation, Squid is vulnerable to an HTTP
Request Smuggling attack.
This problem allows a trusted client to perform HTTP Request
Smuggling and access services otherwise forbidden by Squid
For Debian 9 stretch, this problem has been fixed in version
We recommend that you upgrade your squid3 packages.
For the detailed security status of squid3 please refer to
its security tracker page at:
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
Debian LTS Advisory DLA-2598-1 [email protected]
https://www.debian.org/lts/security/ Utkarsh Gupta
March 19, 2021 https://wiki.debian.org/LTS
Version : 3.5.23-5+deb9u6