CVE-2026-59936: Pypdf Project Pypdf

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

pypdf is a free and open-source pure-python PDF library. Prior to 6.14.1, an attacker can craft a PDF with a page content stream containing a not terminated inline image, causing an infinite loop during inline image end marker detection such as when extracting page text. This issue is fixed in version 6.14.1.

Affected products

• Pypdf Project Pypdf: before 6.14.1 (fixed in 6.14.1)

Published 2026-07-08. Last modified 2026-07-09.