SUSE CVE-2026-21438

webtransport-go is an implementation of the WebTransport protocol. Prior to 0.10.0, an attacker can cause unbounded memory consumption repeatedly creating and closing many WebTransport streams. Closed streams were not removed from an internal session map, preventing garbage collection of their...

webtransport-go: Memory Exhaustion Attack due to Missing Cleanup of Streams Map

Summary An attacker can cause unbounded memory consumption repeatedly creating and closing many WebTransport streams. Closed streams were not removed from an internal session map, preventing garbage collection of their resources. Details webtransport-go maintains an internal map tracking...

PT-2026-7870

Name of the Vulnerable Software and Affected Versions webtransport-go versions prior to 0.10.0 Description An attacker can cause unbounded memory consumption by repeatedly creating and closing many WebTransport streams. Closed streams were not removed from an internal session map, preventing...