RLSA-2026:98533: Moderate: python3.9 security update

Published Nov 13, 2026
·
Updated

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: Distrust compromised eMudhra intermediate certificates in Python ssl module (CVE-2026-115557)

python: python: Misinterpretation of HTTP responses via invalid chunk parsing (CVE-2026-103995)

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.

Affected Software

10 affected componentsFixes available
rocky-linux/python3<0:3.9.25-16.el9_9
0:3.9.25-16.el9_9
rocky-linux/python3.9-debuginfo<0:3.9.25-16.el9_9
0:3.9.25-16.el9_9
rocky-linux/python3.9-debugsource<0:3.9.25-16.el9_9
0:3.9.25-16.el9_9
rocky-linux/python3-debug<0:3.9.25-16.el9_9
0:3.9.25-16.el9_9
rocky-linux/python3-devel<0:3.9.25-16.el9_9
0:3.9.25-16.el9_9
rocky-linux/python3-idle<0:3.9.25-16.el9_9
0:3.9.25-16.el9_9
rocky-linux/python3-libs<0:3.9.25-16.el9_9
0:3.9.25-16.el9_9
rocky-linux/python3-test<0:3.9.25-16.el9_9
0:3.9.25-16.el9_9
rocky-linux/python3-tkinter<0:3.9.25-16.el9_9
0:3.9.25-16.el9_9
rocky-linux/python-unversioned-command<0:3.9.25-16.el9_9
0:3.9.25-16.el9_9

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade rocky-linux/python3 to a version that resolves this vulnerability.

    Fixed in 0:3.9.25-16.el9_9
  2. Upgrade

    Upgrade rocky-linux/python3.9-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:3.9.25-16.el9_9
  3. Upgrade

    Upgrade rocky-linux/python3.9-debugsource to a version that resolves this vulnerability.

    Fixed in 0:3.9.25-16.el9_9
  4. Upgrade

    Upgrade rocky-linux/python3-debug to a version that resolves this vulnerability.

    Fixed in 0:3.9.25-16.el9_9
  5. Upgrade

    Upgrade rocky-linux/python3-devel to a version that resolves this vulnerability.

    Fixed in 0:3.9.25-16.el9_9
  6. Upgrade

    Upgrade rocky-linux/python3-idle to a version that resolves this vulnerability.

    Fixed in 0:3.9.25-16.el9_9
  7. Upgrade

    Upgrade rocky-linux/python3-libs to a version that resolves this vulnerability.

    Fixed in 0:3.9.25-16.el9_9
  8. Upgrade

    Upgrade rocky-linux/python3-test to a version that resolves this vulnerability.

    Fixed in 0:3.9.25-16.el9_9
  9. Upgrade

    Upgrade rocky-linux/python3-tkinter to a version that resolves this vulnerability.

    Fixed in 0:3.9.25-16.el9_9
  10. Upgrade

    Upgrade rocky-linux/python-unversioned-command to a version that resolves this vulnerability.

    Fixed in 0:3.9.25-16.el9_9

Event History

Nov 13, 2026
Advisory Published
via OSV·12:04 PM
Data Sourced
via OSV·12:04 PM
DescriptionSeverityAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What attacker conditions are reflected in the severity vector?

The vector indicates network reachability, high attack complexity, no required privileges, and required user interaction. It rates confidentiality and integrity impact as high, with no availability impact.

2

Which issues are addressed by this update?

The update addresses CVE-2026-115557, involving distrusting compromised eMudhra intermediate certificates in the Python ssl module, and CVE-2026-103995, involving misinterpretation of HTTP responses through invalid chunk parsing.

3

Which installed packages should be checked when assessing exposure?

The advisory lists rocky-linux/python3 and the python3.9 debuginfo, debugsource, debug, devel, idle, libs, and test packages. No fixed or affected package versions are provided in the advisory data.

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