RHSA-2026:90494HighCVSS 7.5
Red Hat Security Advisory: python-urllib3 security update
🔗 CVE IDs covered (2)
📋 Description
CVE-2026-97687 — urllib3: urllib3: Traffic interception via HTTPS proxy TLS configuration override CVE-2026-97689 — urllib3: urllib3: Denial of Service via unbounded memory allocation in chunk parser
🎯 Affected products3
- Red Hat Enterprise Linux BaseOS (v. 9)
- python-urllib3-0:1.26.5-8.el9_8.2.src as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- python3-urllib3-0:1.26.5-8.el9_8.2.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 9)
✅ Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
🔗 References (5)
- selfhttps://access.redhat.com/errata/RHSA-2026:90494
- externalhttps://access.redhat.com/security/updates/classification/#important
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2543245
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2543255
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_90494.json