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.

INFO

Published Date :

2026-02-12T18:25:34.107Z

Last Modified :

2026-02-17T15:39:06.672Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-21438 vulnerability.

Vendors Products
Quic-go
  • Webtransport-go
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-21438.

URL Resource
https://github.com/quic-go/webtransport-go/releases/tag/v0.10.0 cve-icon cve-icon
https://github.com/quic-go/webtransport-go/security/advisories/GHSA-2f2x-8mwp-p2gc cve-icon cve-icon
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CVSS Vulnerability Scoring System

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