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Debian LTS Advisory DLA-2598-1              [email protected]
https://www.debian.org/lts/security/                      Utkarsh Gupta
March 19, 2021                              https://wiki.debian.org/LTS
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Package        : squid3
Version        : 3.5.23-5+deb9u6
CVE ID         : CVE-2020-25097
Debian Bug     : 985068

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
security controls.

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