CVE-2022-30591

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

quic-go through 0.27.0 allows remote attackers to cause a denial of service (CPU consumption) via a Slowloris variant in which incomplete QUIC or HTTP/3 requests are sent. This occurs because mtu_discoverer.go misparses the MTU Discovery service and consequently overflows the probe timer. NOTE: the vendor's position is that this behavior should not be listed as a vulnerability on the CVE List

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/lucas-clemente/quic-go/blob/84e03e59760ceee37359688871bb0688fcc4e98f/mtu_discoverer.goExploit, Third Party Advisory
https://github.com/lucas-clemente/quic-go/blob/84e03e59760ceee37359688871bb0688fcc4e98f/mtu_discoverer.goExploit, Third Party Advisory

Timeline

Published: Jul 6, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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