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ALSA-2026:28247 Not scored

Important: python3.14 security, bug fix, and enhancement update

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: cpython: Python: Arbitrary code execution via command injection in webbrowser.open() API (CVE-2026-4786) * python: Python: Cross-Site Scripting (XSS) vulnerability in http.cookies module (CVE-2026-6019) Bug Fix(es) and Enhancement(s): * [9.8.z]Update python3.14 to 3.14.5 for the incremental GC changes (JIRA:AlmaLinux-180642) 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.

Exploit probability Not scored
Published June 23, 2026
Required by Not available
Last source change June 25, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:9 python3.14
AlmaLinux:9 python3.14-debug
AlmaLinux:9 python3.14-devel
AlmaLinux:9 python3.14-freethreading
AlmaLinux:9 python3.14-freethreading-debug
AlmaLinux:9 python3.14-freethreading-devel
AlmaLinux:9 python3.14-freethreading-idle
AlmaLinux:9 python3.14-freethreading-libs
AlmaLinux:9 python3.14-freethreading-test
AlmaLinux:9 python3.14-freethreading-tkinter
AlmaLinux:9 python3.14-idle
AlmaLinux:9 python3.14-libs
AlmaLinux:9 python3.14-test
AlmaLinux:9 python3.14-tkinter

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2026:28247

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: cpython: Python: Arbitrary code execution via command injection in webbrowser.open() API (CVE-2026-4786) * python: Python: Cross-Site Scripting (XSS) vulnerability in http.cookies module (CVE-2026-6019) Bug Fix(es) and Enhancement(s): * [9.8.z]Update python3.14 to 3.14.5 for the incremental GC changes (JIRA:AlmaLinux-180642) 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.

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05 / REFERENCES

Further evidence