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Fedora Python 3.14.7 Important DoS Bypass Fix 2026

Linuxsecurity •LinuxSecurity Advisories • August 19, 2026

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Audit Linux privileges now to limit compromise, escalation, and system-wide damage. Review Linux Privileges ×

Python 3.14 is an accessible, high-level, dynamically typed, interpreted

programming language, designed with an emphasis on code readability.

It includes an extensive standard library, and has a vast ecosystem of

third-party libraries.

Update to Python 3.14.7

* Mon Aug 10 2026 Karolina Surma - 3.14.7-1 - Update to Python 3.14.7 * Thu Jul 16 2026 Fedora Release Engineering - 3.14.6-2 - Rebuilt for

[ 1 ] Bug #2498697 - CVE-2026-15308 python3.14: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations [fedora-all] [ 2 ] Bug #2506027 - CVE-2026-11940 python3.14: CPython: tarfile extraction filter bypass allows escaping the destination directory [fedora-all]

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-2c124fcf93' at the command line. For more information, refer to the dnf documentation available at

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The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical Denial of Service Vulnerabilities in Fedora Python Packages Fedora has released security advisories for Python packages 3.12 and 3.14.7, addressing critical Denial of Service (DoS) vulnerabilities. The vulnerabilities include CVE-2026-7210, CVE-2026-3276, and CVE-2026-15308, which allow attackers to exploit crafted XML documents and excessive CPU consumption through malformed HTML markup. The affected systems are primarily those running Fedora with Python versions 3.12 and 3.14.7. Users are urged to update their installations immediately to mitigate potential exploitation. The updates were made available on August 13 and August 10, 2026, respectively. The vulnerabilities pose a significant risk to system performance and availability. Administrators are advised to audit Linux privileges to limit compromise and escalation. 6 sources 71

Extracted Entities

Fedora Python 3.14.7 Important DoS Bypass Fix 2026

The full story

Extracted Entities

Attack Types (1)

Companies (1)

CVEs (2)

CWE Weaknesses (1)

Platforms (1)