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python: infinite loop in the tarfile module via crafted TAR archive

🗓️ 04 Nov 2020 01:25:36Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

Python tarfile module can loop indefinitely when opening crafted TAR archives due to a header validation flaw.

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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 25
CVSS 3.17.5
EPSS0.06304
2