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OpenAdvisories
Unscored USN-5491-1 1 CVE

squid, squid3 vulnerability

Published Jun 22, 2022 · Updated Apr 27, 2026

Summary

Joshua Rogers discovered that Squid incorrectly handled the Gopher
protocol. A remote attacker could possibly use this issue to cause Squid to
crash, resulting in a denial of service.

Fixed packages 3

ReleasePackageFixed in
Ubuntu · 18.04 LTS 18.04:LTS squid3 3.5.27-1ubuntu1.13
Ubuntu · 20.04 LTS 20.04:LTS squid 4.10-1ubuntu1.6
Ubuntu · 22.04 LTS 22.04:LTS squid 5.2-1ubuntu4.1

Vulnerabilities 1

References

  • report
    https://ubuntu.com/security/CVE-2021-46784