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squid: denial of service in URN processing

🗓️ 09 Nov 2021 17:37:45Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 9 Views

Squid denial of service in URN processing due to input validation flaw enabling memory exhaustion by a malicious server with a trusted client.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
CVE-2021-28651
27 May 202112:15
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Amazon Linux 2 : squid (ALAS-2023-1950)
22 Feb 202300:00
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Amazon Linux 2 : squid (ALASSQUID4-2023-004)
27 Sep 202300:00
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Amazon Linux AMI : squid (ALAS-2023-1687)
23 Feb 202300:00
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Alibaba Cloud Linux 3 : 0132: squid:4 (ALINUX3-SA-2022:0132)
14 May 202500:00
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CentOS 8 : squid:4 (CESA-2021:4292)
11 Nov 202100:00
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Debian DLA-2685-1 : squid3 security update
15 Jun 202100:00
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Debian DSA-4924-1 : squid - security update
3 Jun 202100:00
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EulerOS 2.0 SP8 : squid (EulerOS-SA-2021-2317)
10 Aug 202100:00
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EulerOS 2.0 SP2 : squid (EulerOS-SA-2021-2433)
14 Sep 202100:00
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.1aarch64libecap1.0.1-2.module+el8.1.0+4044+36416a77libecap-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm
Red Hat Enterprise Linux8.1ppc64lelibecap1.0.1-2.module+el8.1.0+4044+36416a77libecap-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm
Red Hat Enterprise Linux8.1s390xlibecap1.0.1-2.module+el8.1.0+4044+36416a77libecap-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm
Red Hat Enterprise Linux8.1x86_64libecap1.0.1-2.module+el8.1.0+4044+36416a77libecap-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm
Red Hat Enterprise Linux8.1aarch64libecap-debuginfo1.0.1-2.module+el8.1.0+4044+36416a77libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm
Red Hat Enterprise Linux8.1ppc64lelibecap-debuginfo1.0.1-2.module+el8.1.0+4044+36416a77libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm
Red Hat Enterprise Linux8.1s390xlibecap-debuginfo1.0.1-2.module+el8.1.0+4044+36416a77libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm
Red Hat Enterprise Linux8.1x86_64libecap-debuginfo1.0.1-2.module+el8.1.0+4044+36416a77libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm
Red Hat Enterprise Linux8.1aarch64libecap-debugsource1.0.1-2.module+el8.1.0+4044+36416a77libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm
Red Hat Enterprise Linux8.1ppc64lelibecap-debugsource1.0.1-2.module+el8.1.0+4044+36416a77libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm
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26 Jun 2026 19:15Current
5.8Medium risk
Vulners AI Score5.8
CVSS 25
CVSS 3.17.5
EPSS0.0745
9