DEBIAN-CVE-2026-55554

Dompdf is an HTML to PDF converter for PHP. In versions 3.15 and prior, the validateLocalUri method enforces chroot boundaries with a strpos prefix check after normalizing paths with realpath . Because normalization strips the trailing directory separator from $chrootPath , the check only...

UBUNTU-CVE-2026-55554

Dompdf is an HTML to PDF converter for PHP. In versions 3.15 and prior, the validateLocalUri method enforces chroot boundaries with a strpos prefix check after normalizing paths with realpath . Because normalization strips the trailing directory separator from $chrootPath , the check only...

CVE-2026-55554

CVE-2026-55554 affects Dompdf (PHP HTML-to-PDF converter). The issue stems from validateLocalUri() using a realpath()-based normalization and a prefix strpos() check to enforce chroot boundaries. Because trailing directory separators are stripped during normalization, a defined chroot like /var/w...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal through improper validation in the validateLocalUri function. An attacker can access files outside of intended directory restrictions by crafting file paths that exploit prefix-based chroot checks. Details A Director...