What is RHSA-2026:39798?

RHSA-2026:39798 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: python3.9 security, bug fix, and enhancement update

Which CVE IDs does RHSA-2026:39798 cover?

RHSA-2026:39798 covers the following CVE IDs: CVE-2026-15308. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:39798?

RHSA-2026:39798 has a CVSS v3 base score of 7.5, published by Red Hat Product Security.

RHSA-2026:39798HighCVSS 7.5

Red Hat Security Advisory: python3.9 security, bug fix, and enhancement update

Vendor

Red Hat Product Security

Published

July 15, 2026

Last Modified

July 20, 2026

🔗 CVE IDs covered (1)

CVE-2026-15308 →

📋 Description

CVE-2026-15308 — python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations

🔗 References (5)

selfhttps://access.redhat.com/errata/RHSA-2026:39798
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2498608
externalhttps://issues.redhat.com/browse/RHEL-194207
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_39798.json