{"id":"UBUNTU-CVE-2020-14422","details":"Lib/ipaddress.py in Python through 3.8.3 improperly computes hash values in the IPv4Interface and IPv6Interface classes, which might allow a remote attacker to cause a denial of service if an application is affected by the performance of a dictionary containing IPv4Interface or IPv6Interface objects, and this attacker can cause many dictionary entries to be created. This is fixed in: v3.5.10, v3.5.10rc1; v3.6.12; v3.7.9; v3.8.4, v3.8.4rc1, v3.8.5, v3.8.6, v3.8.6rc1; v3.9.0, v3.9.0b4, v3.9.0b5, v3.9.0rc1, v3.9.0rc2.","modified":"2026-01-30T01:50:06.828215Z","published":"2020-06-18T14:15:00Z","related":["USN-4428-1","USN-6891-1"],"upstream":["CVE-2020-14422"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-14422"},{"type":"REPORT","url":"https://github.com/python/cpython/pull/20956"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4428-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-14422"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6891-1"}],"affected":[{"package":{"name":"python3.4","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/python3.4@3.4.3-1ubuntu1~14.04.7+esm7?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.3-1ubuntu1~14.04.7+esm7"}]}],"versions":["3.4~b1-0ubuntu3","3.4~b1-4ubuntu4","3.4~b1-4ubuntu6","3.4~b1-5ubuntu2","3.4~b2-1","3.4~b3-1ubuntu1","3.4~rc1-1build1","3.4~rc2-1","3.4~rc3-0ubuntu1","3.4.0-1","3.4.0-2ubuntu1","3.4.0-2ubuntu1.1","3.4.3-1ubuntu1~14.04.1","3.4.3-1ubuntu1~14.04.3","3.4.3-1ubuntu1~14.04.4","3.4.3-1ubuntu1~14.04.5","3.4.3-1ubuntu1~14.04.6","3.4.3-1ubuntu1~14.04.7","3.4.3-1ubuntu1~14.04.7+esm2","3.4.3-1ubuntu1~14.04.7+esm4","3.4.3-1ubuntu1~14.04.7+esm6"],"ecosystem_specific":{"binaries":[{"binary_version":"3.4.3-1ubuntu1~14.04.7+esm7","binary_name":"idle-python3.4"},{"binary_version":"3.4.3-1ubuntu1~14.04.7+esm7","binary_name":"libpython3.4"},{"binary_version":"3.4.3-1ubuntu1~14.04.7+esm7","binary_name":"libpython3.4-dev"},{"binary_version":"3.4.3-1ubuntu1~14.04.7+esm7","binary_name":"libpython3.4-minimal"},{"binary_version":"3.4.3-1ubuntu1~14.04.7+esm7","binary_name":"libpython3.4-stdlib"},{"binary_version":"3.4.3-1ubuntu1~14.04.7+esm7","binary_name":"libpython3.4-testsuite"},{"binary_version":"3.4.3-1ubuntu1~14.04.7+esm7","binary_name":"python3.4"},{"binary_version":"3.4.3-1ubuntu1~14.04.7+esm7","binary_name":"python3.4-dev"},{"binary_version":"3.4.3-1ubuntu1~14.04.7+esm7","binary_name":"python3.4-examples"},{"binary_version":"3.4.3-1ubuntu1~14.04.7+esm7","binary_name":"python3.4-minimal"},{"binary_version":"3.4.3-1ubuntu1~14.04.7+esm7","binary_name":"python3.4-venv"}],"availability":"Available 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