Security Advisory

CVE-2026-21438

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-02-12 18:25:34

Last updated 2026-02-17 15:39:06

Assigner GitHub_M

State PUBLISHED

Description

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.

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