Security Advisories›RHSA-2020:4082

RHSA-2020:4082 — Security Advisory

Red Hat Security Advisory: squid security update

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Severity

Important

Red Hat Product Security

RHEL 7

Products

Official CSAF product identity

Published · September 30, 2020

Updated · June 25, 2026

Topic

An update for squid is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.

Security Fix(es):

  • squid: HTTP Request Smuggling could result in cache poisoning (CVE-2020-15810)

  • squid: HTTP Request Splitting could result in cache poisoning (CVE-2020-15811)

  • squid: Information Disclosure issue in FTP Gateway (CVE-2019-12528)

  • squid: Improper input validation issues in HTTP Request processing (CVE-2020-8449)

  • squid: Buffer overflow in reverse-proxy configurations (CVE-2020-8450)

  • squid: Request smuggling and poisoning attack against the HTTP cache (CVE-2020-15049)

  • squid: Improper input validation could result in a DoS (CVE-2020-24606)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Related CVEs

RHSA-2020:4082 — Red Hat Security Advisory: squid security update | PulseLinux