HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling in the ServerConnection process. An attacker can bypass application-level size limits or cause incorrect application behavior by sending HTTP/2 DATA frames with a total byte count that does not match the declared...

CVE-2026-48979: Inconsistent Interpretation of HTTP Requests

PHP Standard Library PSL is set of APIs covering async, collections, networking, I/O, cryptography, terminal UI, etc. In versions 6.1.0, 6.1.1 and 6.2.0, the Psl\H2\ServerConnection does not validate that the total bytes received in DATA frames match the content-length header declared in the...