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squid: parsing of header Proxy-Authentication leads to memory corruption

🗓️ 06 May 2020 13:53:02Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

Memory corruption in Squid when parsing Proxy-Authorization header with Digest auth due to quote handling bug.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.1aarch64libecap0:1.0.1-2.module+el8.1.0+4044+36416a77libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm
Red Hat Enterprise Linux8.1ppc64lelibecap0:1.0.1-2.module+el8.1.0+4044+36416a77libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm
Red Hat Enterprise Linux8.1s390xlibecap0:1.0.1-2.module+el8.1.0+4044+36416a77libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm
Red Hat Enterprise Linux8.1x86_64libecap0:1.0.1-2.module+el8.1.0+4044+36416a77libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm
Red Hat Enterprise Linux8.1aarch64libecap-debuginfo0:1.0.1-2.module+el8.1.0+4044+36416a77libecap-debuginfo-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm
Red Hat Enterprise Linux8.1ppc64lelibecap-debuginfo0:1.0.1-2.module+el8.1.0+4044+36416a77libecap-debuginfo-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm
Red Hat Enterprise Linux8.1s390xlibecap-debuginfo0:1.0.1-2.module+el8.1.0+4044+36416a77libecap-debuginfo-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm
Red Hat Enterprise Linux8.1x86_64libecap-debuginfo0:1.0.1-2.module+el8.1.0+4044+36416a77libecap-debuginfo-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm
Red Hat Enterprise Linux8.1aarch64libecap-debugsource0:1.0.1-2.module+el8.1.0+4044+36416a77libecap-debugsource-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm
Red Hat Enterprise Linux8.1ppc64lelibecap-debugsource0:1.0.1-2.module+el8.1.0+4044+36416a77libecap-debugsource-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm
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13 Jan 2026 22:39Current
5.8Medium risk
Vulners AI Score5.8
CVSS 27.5
CVSS 3.19.8
EPSS0.24401
7