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CVE-2026-21438

webtransport-go affected by a Memory Exhaustion Attack due to Missing Cleanup of Streams Map PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
quic-go / webtransport-goaffected < 0.10.0

CWE

CWE-401, CWE-459

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.