Debian 11: DSA-5171-1 Moderate: Squid Data Exposure and Denial of Service

Multiple security issues were discovered in the Squid proxy caching
server:

CVE-2021-28116

Amos Jeffries discovered an information leak if WCCPv2 is enabled

CVE-2021-46784

Joshua Rogers discovered that an error in parsing Gopher server
responses may result in denial of service


For the oldstable distribution (buster), these problems have been fixed
in version 4.6-1+deb10u7.

For the stable distribution (bullseye), these problems have been fixed in
version 4.13-10+deb11u1.

We recommend that you upgrade your squid packages.

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

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/