GHSA-V383-3RW5-Q8RF 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...