Linuxsecurity

Fedora Python 3.12 DoS Vulnerability Fixes Released

First seen 25 Jan 2026, 11:42 UTC • Linuxsecurity

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ThreatCluster

Fedora has released security updates for Python 3.12 addressing a moderate DoS risk associated with CVE-2025-12084. The updates affect users of Fedora 42 and Fedora 43, ensuring the integrity and performance of the Python interpreter. Users are advised to install the latest python3.12 packages to mitigate the identified vulnerabilities.

How this analysis works

Attack Flow

9 entities, 15 inferred relationships (STIX 2.1).

Technique (2)

DDoS
Denial of Service

Organization (1)

Fedora

Vulnerability (2)

CVE-2025-12084
CVE-2025-13836

Affected Platform (3)

Fedora 43
Python 3.11
Python 3.12

Tool (1)

Python

Relationships

Python exploits CVE-2025-12084
Python exploits CVE-2025-13836
CVE-2025-12084 targets Fedora 43
CVE-2025-12084 targets Python 3.11
CVE-2025-12084 targets Python 3.12
CVE-2025-13836 targets Fedora 43
CVE-2025-13836 targets Python 3.11
CVE-2025-13836 targets Python 3.12
DDoS targets Fedora 43
DDoS targets Python 3.11
DDoS targets Python 3.12
Denial of Service targets Fedora 43
Denial of Service targets Python 3.11
Denial of Service targets Python 3.12
CVE-2025-12084 related to Fedora

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Fedora Skopeo Security Fix for CVE-2025-58189 and CVE-2025-61725 Critical CVE-2026-11332 Affects Fedora Ansible-Core Versions Critical Buffer Overflow Vulnerability in pyOpenSSL Requires Immediate Action Fedora Coturn Security Bypass Vulnerabilities Addressed in Recent Updates Multiple Fedora Rust Packages Vulnerable to libgit2 Security Flaws Oracle Linux Kernel ptrace Vulnerability CVE-2026-46333 Disclosed

Fedora Python 3.12 DoS Vulnerability Fixes Released

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Extracted Entities

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