RHSA-2026:54484: Moderate: python-idna security update
Moderate: python-idna security update
Other sources
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): python-idna: idna: Denial of Service via specially crafted long inputs (CVE-2026-45409) 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.
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/python-idnato a version that resolves this vulnerability.Fixed in 2.10-8.el9_8 - Upgrade
Upgrade
redhat/python3-idnato a version that resolves this vulnerability.Fixed in 2.10-8.el9_8
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:54484?
The severity of RHSA-2026:54484 is moderate with a rating of 4.
How do I fix RHSA-2026:54484?
To fix RHSA-2026:54484, update the python-idna package to the latest version available for your system.
What is affected by RHSA-2026:54484?
RHSA-2026:54484 affects various Red Hat Enterprise Linux versions, including ARM 64, Power LE, and x86_64.
What is the impact of RHSA-2026:54484?
The impact of RHSA-2026:54484 is related to security vulnerabilities within the python-idna package that could potentially affect systems.
When was RHSA-2026:54484 published?
RHSA-2026:54484 was published on August 13, 2026.