PT-2026-59640

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires merging a file with threads/articles into a writer. Patches This has been fixed in pypdf==6.13.1. Workarounds If users cannot upgrade yet, consider applying the changes from PR 3839...

CVE-2026-54651

A flaw was found in pypdf. An attacker can craft a malicious PDF file that, when merged with threads or articles into a writer, can lead to an an infinite loop. This vulnerability can result in a Denial of Service DoS condition, making the affected system unresponsive. Mitigation If PDF processin...

OPENSUSE-SU-2025:15664-1 python311-pypdf-6.1.3-1.1 on GA media

These are all security issues fixed in the python311-pypdf-6.1.3-1.1 package on the GA media of openSUSE Tumbleweed...