enshrined/svg-sanitize: Denial of Service via DTD Attribute Declaration Crash

Summary A crafted SVG file 1009 bytes crashes the PHP process when sanitized by enshrined/svg-sanitize any version through 0.22.x. The sanitizer's cleanAttributesOnWhitelist method calls DOMElement::removeAttribute twice on the same attribute name — first removing the explicit attribute, then...

EUVD-2026-95136

savg-sanitizer is a PHP SVG/XML sanitizer. Prior to 1.0.0, svg-sanitizer allows a crafted SVG DTD with a FIXED attribute default to make cleanAttributesOnWhitelist perform a double DOMElement::removeAttribute call on the same attribute name in src/Sanitizer.php. The first removal deletes the...