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
Exploits (1)
References (1)
Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/lucas-clemente/quic-go/blob/84e03e59760ceee37359688871bb0688fcc4e98f/mtu_discoverer.go
Scores
CVSS v3
7.5
EPSS
0.1510
EPSS Percentile
94.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-400
Status
published
Products (1)
quic-go_project/quic-go
< 0.27.0
Published
Jul 06, 2022
Tracked Since
Feb 18, 2026