Security Advisory
CVE-2026-59938
5.3
MEDIUM
Vulnerability Description
pypdf is a free and open-source pure-python PDF library. Prior to 6.14.0, an attacker can craft a PDF with declared image size values that are much too large compared to the actual data, causing large memory usage in pypdf image parsing. This issue is fixed in version 6.14.0.
Published Date
July 8, 2026
Official Source
NIST NVD Advisory