Expat — Cyber Threats, Attacks & Incidents

Related Threat Clusters

• Critical Security Updates for Python 3.13 in Fedora Address Multiple Vulnerabilities

  On June 21, 2026, Fedora released critical security updates for Python 3.13, addressing multiple vulnerabilities. The updates include fixes for CVE-2026-1502, CVE-2026-6100, CVE-2026-4786, CVE-2026-7210, and…

  9 articles · Updated June 21, 2026
• Critical Vulnerabilities in Coin3D Affect Multiple Ubuntu Releases

  On May 7, 2026, Ubuntu announced security vulnerabilities in Coin3D, affecting Ubuntu LTS releases 18.04, 16.04, and 14.04. The vulnerabilities stem from Expat's improper handling of certain files, potentially allowing…

  2 articles · Updated May 7, 2026
• Critical Expat Vulnerabilities Affect Multiple Ubuntu Releases

  Multiple vulnerabilities were discovered in the Expat XML parsing library, affecting several Ubuntu versions including 25.10, 22.04 LTS, and older releases. Key issues include improper handling of memory and parser…

  6 articles · Updated February 11, 2026

Recent Intelligence Reports

• Fedora 43 Python 3.13 Critical Security Updates 2026 — Linuxsecurity · June 21, 2026
• Ubuntu 18.04 8241 — Linuxsecurity · May 7, 2026
• USN-8241-1: Coin3D vulnerabilities — Ubuntu · May 7, 2026
• Ubuntu 25.10 Expat Critical DoS Issues USN-8022-1 CVE-2025 — Linuxsecurity · February 11, 2026

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