PT-2026-123478

Pillow is a Python imaging library. From 5.1.0 until 13.0.0, Pillow can enter an infinite loop while rewriting PDF pages. PdfParser.rewrite pages follows Parent relationships without detecting a cycle in the page tree. An attacker can supply a cyclic PDF to an application that appends an image to...

PT-2026-117672

Name of the Vulnerable Software and Affected Versions Pillow versions 5.1.0 through 12.1.0 Description A flaw exists where the library can enter an infinite loop during the rewriting of PDF pages. This occurs because the PdfParser.rewrite pages function follows parent relationships without...