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squid: Squid: Denial of Service via heap Use-After-Free vulnerability in ICP handling

🗓️ 15 Apr 2026 14:42:07Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

Attacker can exploit a heap use-after-free in ICP handling to cause denial of service if ICP is enabled.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64libecap0:1.0.1-2.module+el8.9.0+19703+a1da7223libecap-0:1.0.1-2.module+el8.9.0+19703+a1da7223.aarch64.rpm
Red Hat Enterprise Linux8ppc64lelibecap0:1.0.1-2.module+el8.9.0+19703+a1da7223libecap-0:1.0.1-2.module+el8.9.0+19703+a1da7223.ppc64le.rpm
Red Hat Enterprise Linux8s390xlibecap0:1.0.1-2.module+el8.9.0+19703+a1da7223libecap-0:1.0.1-2.module+el8.9.0+19703+a1da7223.s390x.rpm
Red Hat Enterprise Linux8x86_64libecap0:1.0.1-2.module+el8.9.0+19703+a1da7223libecap-0:1.0.1-2.module+el8.9.0+19703+a1da7223.x86_64.rpm
Red Hat Enterprise Linux8aarch64libecap-debuginfo0:1.0.1-2.module+el8.9.0+19703+a1da7223libecap-debuginfo-0:1.0.1-2.module+el8.9.0+19703+a1da7223.aarch64.rpm
Red Hat Enterprise Linux8ppc64lelibecap-debuginfo0:1.0.1-2.module+el8.9.0+19703+a1da7223libecap-debuginfo-0:1.0.1-2.module+el8.9.0+19703+a1da7223.ppc64le.rpm
Red Hat Enterprise Linux8s390xlibecap-debuginfo0:1.0.1-2.module+el8.9.0+19703+a1da7223libecap-debuginfo-0:1.0.1-2.module+el8.9.0+19703+a1da7223.s390x.rpm
Red Hat Enterprise Linux8x86_64libecap-debuginfo0:1.0.1-2.module+el8.9.0+19703+a1da7223libecap-debuginfo-0:1.0.1-2.module+el8.9.0+19703+a1da7223.x86_64.rpm
Red Hat Enterprise Linux8aarch64libecap-debugsource0:1.0.1-2.module+el8.9.0+19703+a1da7223libecap-debugsource-0:1.0.1-2.module+el8.9.0+19703+a1da7223.aarch64.rpm
Red Hat Enterprise Linux8ppc64lelibecap-debugsource0:1.0.1-2.module+el8.9.0+19703+a1da7223libecap-debugsource-0:1.0.1-2.module+el8.9.0+19703+a1da7223.ppc64le.rpm
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26 May 2026 08:50Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
CVSS 49.2
EPSS0.02738
SSVC
2