CVE-2026-21438
webtransport-go affected by a Memory Exhaustion Attack due to Missing Cleanup of Streams Map
Summary
webtransport-go affected by a Memory Exhaustion Attack due to Missing Cleanup of Streams Map
Original description
The description as published by the source.
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 resources. This vulnerability is fixed in v0.10.0.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- web github.com