ELSA-2026-84577

ELSA-2026-84577 - python3.14-urllib3 security update

Type:SECURITY
Impact:IMPORTANT
Release Date:2026-10-19

Description


[2.6.3-6]
- Fix a regression with Python 3.14.8

[2.6.3-5]
- Fix test_start_closed_socket with latest Python

[2.6.3-4]
- CVE-2026-97689 python3.14-urllib3: urllib3: Denial of Service via
unbounded memory allocation in chunk parser

[2.6.3-3]
- CVE-2026-97687 python3.14-urllib3: urllib3: Traffic interception via
HTTPS proxy TLS configuration override


Related CVEs


CVE-2026-97687
CVE-2026-97689

Updated Packages


Release/ArchitectureFilenamesha256Superseded By AdvisoryChannel Label
Oracle Linux 9 (aarch64) python3.14-urllib3-2.6.3-2.el9_8.6.src.rpm35f73e96391123648876bcbe60746beeaf4877e6c0b7d09a744dc1b1549de990-ol9_aarch64_appstream
python3.14-urllib3-2.6.3-2.el9_8.6.noarch.rpmf5ae6d5c46c52dc3d9e203da16defaeb822ce57e5a65e550b6f8361e8d5cd182-ol9_aarch64_appstream
Oracle Linux 9 (x86_64) python3.14-urllib3-2.6.3-2.el9_8.6.src.rpm35f73e96391123648876bcbe60746beeaf4877e6c0b7d09a744dc1b1549de990-ol9_x86_64_appstream
python3.14-urllib3-2.6.3-2.el9_8.6.noarch.rpmf5ae6d5c46c52dc3d9e203da16defaeb822ce57e5a65e550b6f8361e8d5cd182-ol9_x86_64_appstream



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