A squid security update has been released for Debian GNU/Linux 11 to address several vulnerabilities.

DSA 5258-1: squid security update

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Debian Security Advisory DSA-5258-1 security@debian.org
  https://www.debian.org/security/ Salvatore Bonaccorso
October 19, 2022   https://www.debian.org/security/faq
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Package : squid
CVE ID : CVE-2022-41317 CVE-2022-41318
Debian Bug : 1020586 1020587

Several vulnerabilities were discovered in Squid, a fully featured web
proxy cache, which could result in exposure of sensitive information in
the cache manager (CVE-2022-41317), or denial of service or information
disclosure if Squid is configured to negotiate authentication with the
SSPI and SMB authentication helpers (CVE-2022-41318).

For the stable distribution (bullseye), these problems have been fixed in
version 4.13-10+deb11u2.

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/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/