What is RHSA-2026:90759?

RHSA-2026:90759 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: python-urllib3 security update

Which CVE IDs does RHSA-2026:90759 cover?

RHSA-2026:90759 covers the following CVE IDs: CVE-2026-97689. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:90759?

RHSA-2026:90759 has a CVSS v3 base score of 7.5, published by Red Hat Product Security.

Which products are affected by RHSA-2026:90759?

RHSA-2026:90759 affects 3 products, including: Red Hat Enterprise Linux BaseOS (v. 8); python-urllib3-0:1.24.2-11.el8_10.src as a component of Red Hat Enterprise Linux BaseOS (v. 8); python3-urllib3-0:1.24.2-11.el8_10.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 8).

RHSA-2026:90759HighCVSS 7.5

Red Hat Security Advisory: python-urllib3 security update

Vendor

Red Hat Product Security

Published

October 27, 2026

Last Modified

October 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-97689 →

📋 Description

CVE-2026-97689 — urllib3: urllib3: Denial of Service via unbounded memory allocation in chunk parser

🎯 Affected products3

Red Hat Enterprise Linux BaseOS (v. 8)
python-urllib3-0:1.24.2-11.el8_10.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)
python3-urllib3-0:1.24.2-11.el8_10.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 8)

✅ 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 (4)

selfhttps://access.redhat.com/errata/RHSA-2026:90759
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2543245
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_90759.json