RHSA-2026:59247: Important: python-pyasn1 security update
Important: python-pyasn1 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): pyasn1: pyasn1: Denial of Service via crafted ASN.1 REAL values (CVE-2026-59886) 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-pyasn1to a version that resolves this vulnerability.Fixed in 0.4.8-6.el9_6.2 - Upgrade
Upgrade
redhat/python3-pyasn1to a version that resolves this vulnerability.Fixed in 0.4.8-6.el9_6.2 - Upgrade
Upgrade
redhat/python3-pyasn1-modulesto a version that resolves this vulnerability.Fixed in 0.4.8-6.el9_6.2
Event History
Frequently Asked Questions
Which Red Hat Enterprise Linux environments are covered by this advisory?
The advisory covers selected ARM 64, Power little endian, IBM z Systems, and x86_64 Red Hat Enterprise Linux offerings, including Extended Update Support, Extended Life Cycle, four-year update coverage, and Power LE Update Services for SAP Solutions.
How should this issue be prioritized?
It is rated high severity with a severity value of 7 and a listed risk of 33.
What component is addressed by the update?
The update addresses the python-pyasn1 package.