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High ELSA-2026-6301 2 CVEs

Important: squid security update (Oracle Linux 9)

Published Mar 31, 2026 · Updated Mar 31, 2026

Summary

[7:5.5-22.4]
- Resolves: RHEL-160692 - squid: Squid: Denial of Service via
crafted ICP traffic (CVE-2026-32748)

[7:5.5-22.3]
- Resolves: RHEL-160693 - squid: Squid: Denial of Service via
heap Use-After-Free vulnerability in ICP handling (CVE-2026-33526)

Fixed packages 1

ReleasePackageFixed in
Oracle Linux · 9 squid 7:5.5-22.el9_7.4

Vulnerabilities 2

  • Critical 9.2

    Squid vulnerable to Denial of Service in ICP Request handling

    Squid is a caching proxy for the Web. Prior to version 7.5, due to heap Use-After-Free, Squid is vulnerable to Denial of Service when handling ICP traffic. This problem allows a remote attacker to perform a reliable and repeatable Denial of Service attack aga…

  • High 8.7

    Squid has Denial of Service in ICP Response handling

    Squid is a caching proxy for the Web. Prior to version 7.5, due to premature release of resource during expected lifetime and heap Use-After-Free bugs, Squid is vulnerable to Denial of Service when handling ICP traffic. This problem allows a remote attacker t…