Dompdf: Denial of Service (DoS) via Resource Exhaustion using Oversized Image Bitmaps

Summary Dompdf v3.1.5 is vulnerable to a Denial of Service DoS attack via resource exhaustion. An attacker can crash the PHP process by providing a specially crafted HTML document containing a single image with massive dimensions e.g., 30,000x30,000 pixels. While Dompdf implements internal checks...

GHSA-F5GF-2CJ8-52G2 Dompdf: Denial of Service (DoS) via Resource Exhaustion using Oversized Image Bitmaps

Summary Dompdf v3.1.5 is vulnerable to a Denial of Service DoS attack via resource exhaustion. An attacker can crash the PHP process by providing a specially crafted HTML document containing a single image with massive dimensions e.g., 30,000x30,000 pixels. While Dompdf implements internal checks...

PT-2026-63554

Name of the Vulnerable Software and Affected Versions Dompdf versions prior to 3.16 Description Dompdf is susceptible to a Denial of Service DoS attack via resource exhaustion. An unauthenticated remote attacker can crash the PHP process by submitting a specially crafted HTML document containing ...