CVE-2026-59938 — pypdf: Possible large memory usage for wrong image dimensions
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 act…
Published: 2026-07-08 · CVSS: 6.9 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7