Pypi · Pypdf · CVE-2026-59937
**Name of the Vulnerable Software and Affected Versions**
pypdf versions prior to 6.14.0
**Description**
An attacker can craft a PDF containing repeated malformed cross-reference streams. This causes the library to spend excessive runtimes attempting to recover broken cross-reference table entries, leading to a denial of service through resource exhaustion.
**Recommendations**
Update to version 6.14.0.