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...

PT-2026-108126

Name of the Vulnerable Software and Affected Versions enshrined/svg-sanitize versions prior to 1.0.0 Description A flaw exists in the cleanAttributesOnWhitelist function within src/Sanitizer.php where the software fails to strip DOCTYPE/DTD declarations before processing. An attacker can provide ...