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HIGH Updates Red Hat Errata

RHSA-2026:60362: Important: python-urllib3 security update

An Important update for python-urllib3 addresses two vulnerabilities: CVE-2026-44432 (CVSS 7.5 High), a denial of service via excessive HTTP response decompression, and CVE-2026-44431 (CVSS 5.3 Medium), an information disclosure via cross-origin redirects forwarding sensitive headers. According to NVD data, affected versions are python-urllib3 >= 2.6.0 < 2.7.0 for the DoS flaw and >= 1.23 < 2.7.0 for the information leak. The fixed version for both is python-urllib3 2.7.0.
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Red Hat Product Errata RHSA-2026:60362 - Security Advisory Issued: 2026-08-26 Updated: 2026-08-26 RHSA-2026:60362 - Security Advisory Overview Updated Packages Synopsis Important: python-urllib3 security update Type/Severity Security Advisory: Important Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for python-urllib3 is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. 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. 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): urllib3: urllib3: Denial of Service due to excessive HTTP response decompression (CVE-2026-44432) urllib3: urllib3: Information disclosure via cross-origin redirects forwarding sensitive headers (CVE-2026-44431) 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. 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 Affected Products Red Hat Enterprise Linux Server - AUS 9.2 x86_64 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.2 s390x Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.2 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.2 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.2 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.2 s390x Fixes BZ - 2477154 - CVE-2026-44432 urllib3: urllib3: Denial of Service due to excessive HTTP response decompression BZ - 2477167 - CVE-2026-44431 urllib3: urllib3: Information disclosure via cross-origin redirects forwarding sensitive headers CVEs CVE-2026-44431 CVE-2026-44432 References https://access.redhat.com/security/updates/classification/#important Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux Server - AUS 9.2 SRPM python-urllib3-1.26.5-3.el9_2.4.src.rpm SHA-256: a0cbccfedfb4242ba54598b751343136977a00449429f740acffb8e478b35789 x86_64 python3-urllib3-1.26.5-3.el9_2.4.noarch.rpm SHA-256: b5048942800b1ce7e80d103136db9f7a4113e9b8dac0115a1521e63a963aa28f Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 SRPM python-urllib3-1.26.5-3.el9_2.4.src.rpm SHA-256: a0cbccfedfb4242ba54598b751343136977a00449429f740acffb8e478b35789 ppc64le python3-urllib3-1.26.5-3.el9_2.4.noarch.rpm SHA-256: b5048942800b1ce7e80d103136db9f7a4113e9b8dac0115a1521e63a963aa28f Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 SRPM python-urllib3-1.26.5-3.el9_2.4.src.rpm SHA-256: a0cbccfedfb4242ba54598b751343136977a00449429f740acffb8e478b35789 x86_64 python3-urllib3-1.26.5-3.el9_2.4.noarch.rpm SHA-256: b5048942800b1ce7e80d103136db9f7a4113e9b8dac0115a1521e63a963aa28f Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2 SRPM python-urllib3-1.26.5-3.el9_2.4.src.rpm SHA-256: a0cbccfedfb4242ba54598b751343136977a00449429f740acffb8e478b35789 aarch64 python3-urllib3-1.26.5-3.el9_2.4.noarch.rpm SHA-256: b5048942800b1ce7e80d103136db9f7a4113e9b8dac0115a1521e63a963aa28f Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.2 SRPM python-urllib3-1.26.5-3.el9_2.4.src.rpm SHA-256: a0cbccfedfb4242ba54598b751343136977a00449429f740acffb8e478b35789 s390x python3-urllib3-1.26.5-3.el9_2.4.noarch.rpm SHA-256: b5048942800b1ce7e80d103136db9f7a4113e9b8dac0115a1521e63a963aa28f Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.2 SRPM python-urllib3-1.26.5-3.el9_2.4.src.rpm SHA-256: a0cbccfedfb4242ba54598b751343136977a00449429f740acffb8e478b35789 x86_64 python3-urllib3-1.26.5-3.el9_2.4.noarch.rpm SHA-256: b5048942800b1ce7e80d103136db9f7a4113e9b8dac0115a1521e63a963aa28f Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.2 SRPM python-urllib3-1.26.5-3.el9_2.4.src.rpm SHA-256: a0cbccfedfb4242ba54598b751343136977a00449429f740acffb8e478b35789 aarch64 python3-urllib3-1.26.5-3.el9_2.4.noarch.rpm SHA-256: b5048942800b1ce7e80d103136db9f7a4113e9b8dac0115a1521e63a963aa28f Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.2 SRPM python-urllib3-1.26.5-3.el9_2.4.src.rpm SHA-256: a0cbccfedfb4242ba54598b751343136977a00449429f740acffb8e478b35789 ppc64le python3-urllib3-1.26.5-3.el9_2.4.noarch.rpm SHA-256: b5048942800b1ce7e80d103136db9f7a4113e9b8dac0115a1521e63a963aa28f Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.2 SRPM python-urllib3-1.26.5-3.el9_2.4.src.rpm SHA-256: a0cbccfedfb4242ba54598b751343136977a00449429f740acffb8e478b35789 s390x python3-urllib3-1.26.5-3.el9_2.4.noarch.rpm SHA-256: b5048942800b1ce7e80d103136db9f7a4113e9b8dac0115a1521e63a963aa28f The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .

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