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python: DoS via inefficiency in IPv{4,6}Interface classes

🗓️ 04 Nov 2020 01:25:36Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Flaw in Python ipaddress module causes inefficient hashing in IPv4Interface and IPv6Interface, enabling denial of service.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64cython-debugsource0:0.29.14-4.module+el8.2.0+5234+f98739b6Cython-debugsource-0:0.29.14-4.module+el8.2.0+5234+f98739b6.aarch64.rpm
Red Hat Enterprise Linux8ppc64lecython-debugsource0:0.29.14-4.module+el8.2.0+5234+f98739b6Cython-debugsource-0:0.29.14-4.module+el8.2.0+5234+f98739b6.ppc64le.rpm
Red Hat Enterprise Linux8s390xcython-debugsource0:0.29.14-4.module+el8.2.0+5234+f98739b6Cython-debugsource-0:0.29.14-4.module+el8.2.0+5234+f98739b6.s390x.rpm
Red Hat Enterprise Linux8x86_64cython-debugsource0:0.29.14-4.module+el8.2.0+5234+f98739b6Cython-debugsource-0:0.29.14-4.module+el8.2.0+5234+f98739b6.x86_64.rpm
Red Hat Enterprise Linux8aarch64pyyaml-debugsource0:5.3.1-1.module+el8.3.0+7187+a27ec44bPyYAML-debugsource-0:5.3.1-1.module+el8.3.0+7187+a27ec44b.aarch64.rpm
Red Hat Enterprise Linux8ppc64lepyyaml-debugsource0:5.3.1-1.module+el8.3.0+7187+a27ec44bPyYAML-debugsource-0:5.3.1-1.module+el8.3.0+7187+a27ec44b.ppc64le.rpm
Red Hat Enterprise Linux8s390xpyyaml-debugsource0:5.3.1-1.module+el8.3.0+7187+a27ec44bPyYAML-debugsource-0:5.3.1-1.module+el8.3.0+7187+a27ec44b.s390x.rpm
Red Hat Enterprise Linux8x86_64pyyaml-debugsource0:5.3.1-1.module+el8.3.0+7187+a27ec44bPyYAML-debugsource-0:5.3.1-1.module+el8.3.0+7187+a27ec44b.x86_64.rpm
Red Hat Enterprise Linux8aarch64numpy-debugsource0:1.17.3-5.module+el8.3.0+7187+a27ec44bnumpy-debugsource-0:1.17.3-5.module+el8.3.0+7187+a27ec44b.aarch64.rpm
Red Hat Enterprise Linux8ppc64lenumpy-debugsource0:1.17.3-5.module+el8.3.0+7187+a27ec44bnumpy-debugsource-0:1.17.3-5.module+el8.3.0+7187+a27ec44b.ppc64le.rpm
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03 Jul 2026 02:09Current
6.8Medium risk
Vulners AI Score6.8
CVSS 24.3
CVSS 3.15.9
EPSS0.12826
4