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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3659 python3 security update 3 November 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: python3 Publisher: Red Hat Operating System: Red Hat Impact/Access: Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2021-3733 Reference: ESB-2021.3589 ESB-2021.3519 ESB-2021.3497 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:4057 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: python3 security update Advisory ID: RHSA-2021:4057-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4057 Issue date: 2021-11-02 CVE Names: CVE-2021-3733 ===================================================================== 1. Summary: An update for python3 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fix(es): * python: urllib: Regular expression DoS in AbstractBasicAuthHandler (CVE-2021-3733) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1995234 - CVE-2021-3733 python: urllib: Regular expression DoS in AbstractBasicAuthHandler 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): aarch64: platform-python-debug-3.6.8-39.el8_4.aarch64.rpm platform-python-devel-3.6.8-39.el8_4.aarch64.rpm python3-debuginfo-3.6.8-39.el8_4.aarch64.rpm python3-debugsource-3.6.8-39.el8_4.aarch64.rpm python3-idle-3.6.8-39.el8_4.aarch64.rpm python3-tkinter-3.6.8-39.el8_4.aarch64.rpm ppc64le: platform-python-debug-3.6.8-39.el8_4.ppc64le.rpm platform-python-devel-3.6.8-39.el8_4.ppc64le.rpm python3-debuginfo-3.6.8-39.el8_4.ppc64le.rpm python3-debugsource-3.6.8-39.el8_4.ppc64le.rpm python3-idle-3.6.8-39.el8_4.ppc64le.rpm python3-tkinter-3.6.8-39.el8_4.ppc64le.rpm s390x: platform-python-debug-3.6.8-39.el8_4.s390x.rpm platform-python-devel-3.6.8-39.el8_4.s390x.rpm python3-debuginfo-3.6.8-39.el8_4.s390x.rpm python3-debugsource-3.6.8-39.el8_4.s390x.rpm python3-idle-3.6.8-39.el8_4.s390x.rpm python3-tkinter-3.6.8-39.el8_4.s390x.rpm x86_64: platform-python-3.6.8-39.el8_4.i686.rpm platform-python-debug-3.6.8-39.el8_4.i686.rpm platform-python-debug-3.6.8-39.el8_4.x86_64.rpm platform-python-devel-3.6.8-39.el8_4.i686.rpm platform-python-devel-3.6.8-39.el8_4.x86_64.rpm python3-debuginfo-3.6.8-39.el8_4.i686.rpm python3-debuginfo-3.6.8-39.el8_4.x86_64.rpm python3-debugsource-3.6.8-39.el8_4.i686.rpm python3-debugsource-3.6.8-39.el8_4.x86_64.rpm python3-idle-3.6.8-39.el8_4.i686.rpm python3-idle-3.6.8-39.el8_4.x86_64.rpm python3-test-3.6.8-39.el8_4.i686.rpm python3-tkinter-3.6.8-39.el8_4.i686.rpm python3-tkinter-3.6.8-39.el8_4.x86_64.rpm Red Hat Enterprise Linux BaseOS (v. 8): Source: python3-3.6.8-39.el8_4.src.rpm aarch64: platform-python-3.6.8-39.el8_4.aarch64.rpm python3-debuginfo-3.6.8-39.el8_4.aarch64.rpm python3-debugsource-3.6.8-39.el8_4.aarch64.rpm python3-libs-3.6.8-39.el8_4.aarch64.rpm python3-test-3.6.8-39.el8_4.aarch64.rpm ppc64le: platform-python-3.6.8-39.el8_4.ppc64le.rpm python3-debuginfo-3.6.8-39.el8_4.ppc64le.rpm python3-debugsource-3.6.8-39.el8_4.ppc64le.rpm python3-libs-3.6.8-39.el8_4.ppc64le.rpm python3-test-3.6.8-39.el8_4.ppc64le.rpm s390x: platform-python-3.6.8-39.el8_4.s390x.rpm python3-debuginfo-3.6.8-39.el8_4.s390x.rpm python3-debugsource-3.6.8-39.el8_4.s390x.rpm python3-libs-3.6.8-39.el8_4.s390x.rpm python3-test-3.6.8-39.el8_4.s390x.rpm x86_64: platform-python-3.6.8-39.el8_4.x86_64.rpm python3-debuginfo-3.6.8-39.el8_4.i686.rpm python3-debuginfo-3.6.8-39.el8_4.x86_64.rpm python3-debugsource-3.6.8-39.el8_4.i686.rpm python3-debugsource-3.6.8-39.el8_4.x86_64.rpm python3-libs-3.6.8-39.el8_4.i686.rpm python3-libs-3.6.8-39.el8_4.x86_64.rpm python3-test-3.6.8-39.el8_4.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2021-3733 https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYYD6u9zjgjWX9erEAQgCbg//S3byb5BXGosk0v+LDiREjmiOkmk9QpLJ 8SCgT7ap9IRI6rghoGv7bsLpRyydrd8KR0pIDCQOJngEGZfJEUiwk6QhdFs0JHqG aHb1JJCBGTyQ9b0jhrKlJKCvJJk9oscRhkVn2AYm9r4fAnwzSqLaTd+8/PxJrKi+ 7M6I3xh3MYVj5j8Y56GCXYbuAxQqNRPUunzLC8tr79zuVt1iH5qAbff/Dmtkpl4A zDDMp42s7UN1H+Y4pRo9b7MqJLpa1GjuZWsVr53QZu4al7Cbw+iAlz4R2P3pQVKv uHCkl7pWi+v22po5C55+djkPPzzu0NiVJ9CLI/gtI4lx7dJ6uKqNaPvetzuaKaR5 9HEFIRat1V/jD/boAa4gUscosId8h8Arm8UDLaIoJ5IqdNYrRb+AtXpBN2Clg0S2 z9KLbG7jNFAH4sqmIsYz2t+O8pQteMzQdbhoSx8KdaQgIqjUBd+dBXE3P0kndc0g 1No7qsDjavlD31uvXC6K+RO0bESW7kZbcscseO5xiiMNBCbWjKVjKo5DavNxmrTf W4DkMsSzmijKqBsoBgxizFiCF82NH+UXIY/PSNJ4h8KKwi377FRwVvjg8JC5TBPG Wpg6oNbHBTrWEmdlOcL6C13gjIDVtU3lWVomlGYkb7/t4KtjiorJuzuolcqpkRVp YfBN+OdHhpA= =MOG7 - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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