CVEvulnerability

CVE-2026-21438

5.3 MEDIUM Published 2026-02-12 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2026-02-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weaknesses
CWE-401, CWE-459

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.

Affected configurations

• quic-go webtransport-go (< 0.10.0)

Related

Weakness · CWE (2)

  • CWE-401 Missing Release of Memory after Effective Lifetime weakness
  • CWE-459 Incomplete Cleanup weakness

References