Red Hat Product Errata RHSA-2026:36732 - Security Advisory Issued: 2026-07-08 Updated: 2026-07-08 RHSA-2026:36732 - Security Advisory Overview Updated Packages Synopsis Moderate: python-urllib3 security update Type/Severity Security Advisory: Moderate 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 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. 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: 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 for x86_64 8 x86_64 Red Hat Enterprise Linux for IBM z Systems 8 s390x Red Hat Enterprise Linux for Power, little endian 8 ppc64le Red Hat Enterprise Linux for ARM 64 8 aarch64 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 s390x Fixes BZ - 2477167 - CVE-2026-44431 urllib3: urllib3: Information disclosure via cross-origin redirects forwarding sensitive headers RHEL-184858 - CVE-2026-44431: python-urllib3: Sensitive headers forwarded across origins in proxied low-level redirects [rhel-8.10.z] CVEs CVE-2026-44431 References https://access.redhat.com/security/updates/classification/#moderate Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux for x86_64 8 SRPM python-urllib3-1.24.2-10.el8_10.src.rpm SHA-256: ec5d934959a16192d0e91a130bc8594c22add9f0d41fff95bb7e67ebc15937b6 x86_64 python3-urllib3-1.24.2-10.el8_10.noarch.rpm SHA-256: 8f681aadcde8a144f0c3b32d70381877a777083ec15a42c5fed449f80aedf910 Red Hat Enterprise Linux for IBM z Systems 8 SRPM python-urllib3-1.24.2-10.el8_10.src.rpm SHA-256: ec5d934959a16192d0e91a130bc8594c22add9f0d41fff95bb7e67ebc15937b6 s390x python3-urllib3-1.24.2-10.el8_10.noarch.rpm SHA-256: 8f681aadcde8a144f0c3b32d70381877a777083ec15a42c5fed449f80aedf910 Red Hat Enterprise Linux for Power, little endian 8 SRPM python-urllib3-1.24.2-10.el8_10.src.rpm SHA-256: ec5d934959a16192d0e91a130bc8594c22add9f0d41fff95bb7e67ebc15937b6 ppc64le python3-urllib3-1.24.2-10.el8_10.noarch.rpm SHA-256: 8f681aadcde8a144f0c3b32d70381877a777083ec15a42c5fed449f80aedf910 Red Hat Enterprise Linux for ARM 64 8 SRPM python-urllib3-1.24.2-10.el8_10.src.rpm SHA-256: ec5d934959a16192d0e91a130bc8594c22add9f0d41fff95bb7e67ebc15937b6 aarch64 python3-urllib3-1.24.2-10.el8_10.noarch.rpm SHA-256: 8f681aadcde8a144f0c3b32d70381877a777083ec15a42c5fed449f80aedf910 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 SRPM python-urllib3-1.24.2-10.el8_10.src.rpm SHA-256: ec5d934959a16192d0e91a130bc8594c22add9f0d41fff95bb7e67ebc15937b6 x86_64 python3-urllib3-1.24.2-10.el8_10.noarch.rpm SHA-256: 8f681aadcde8a144f0c3b32d70381877a777083ec15a42c5fed449f80aedf910 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 SRPM python-urllib3-1.24.2-10.el8_10.src.rpm SHA-256: ec5d934959a16192d0e91a130bc8594c22add9f0d41fff95bb7e67ebc15937b6 aarch64 python3-urllib3-1.24.2-10.el8_10.noarch.rpm SHA-256: 8f681aadcde8a144f0c3b32d70381877a777083ec15a42c5fed449f80aedf910 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 SRPM python-urllib3-1.24.2-10.el8_10.src.rpm SHA-256: ec5d934959a16192d0e91a130bc8594c22add9f0d41fff95bb7e67ebc15937b6 ppc64le python3-urllib3-1.24.2-10.el8_10.noarch.rpm SHA-256: 8f681aadcde8a144f0c3b32d70381877a777083ec15a42c5fed449f80aedf910 Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 SRPM python-urllib3-1.24.2-10.el8_10.src.rpm SHA-256: ec5d934959a16192d0e91a130bc8594c22add9f0d41fff95bb7e67ebc15937b6 s390x python3-urllib3-1.24.2-10.el8_10.noarch.rpm SHA-256: 8f681aadcde8a144f0c3b32d70381877a777083ec15a42c5fed449f80aedf910 The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .