Description
A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests.
References (15)
Core 15
Core References
Various Sources
https://www.couchbase.com/alerts/
Patch
https://go.dev/cl/468135
Patch
https://go.dev/cl/468295
Issue Tracking
https://go.dev/issue/57855
Mailing List, Vendor Advisory
https://groups.google.com/g/golang-announce/c/V0aBFqaFs_E
Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/4MA5XS5DAOJ5PKKNG5TUXKPQOFHT5VBC/
Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/RGW7GE2Z32ZT47UFAQFDRQE33B7Q7LMT/
Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/RLBQ3A7ROLEQXQLXFDLNJ7MYPKG5GULE/
Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/XX3IMUTZKRQ73PBZM4E2JP4BKYH4C6XE/
Vendor Advisory
https://pkg.go.dev/vuln/GO-2023-1571
Vendor Advisory
https://security.netapp.com/advisory/ntap-20230331-0010/
Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/4BUK2ZIAGCULOOYDNH25JPU6JBES5NF2/
Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/REMHVVIBDNKSRKNOTV7EQSB7CYQWOUOU/
Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/T7N5GV4CHH6WAGX3GFMDD3COEOVCZ4RI/
Third Party Advisory
https://security.gentoo.org/glsa/202311-09
Scores
CVSS v3
7.5
EPSS
0.0023
EPSS Percentile
46.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
Status
published
Products (5)
golang/go
1.20.0
golang/go
< 1.19.6
golang/hpack
< 0.7.0
golang/http2
< 0.7.0
x/net
0 - 0.7.0Go
Published
Feb 28, 2023
Tracked Since
Feb 18, 2026