Back to Database
Status published
Unknown
CVE-2022-41723
Denial of service via crafted HTTP/2 stream in net/http and golang.org/x/net
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2022-41723
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Philippe Antoine (Catena cyber)
References
- https://go.dev/issue/57855
- https://go.dev/cl/468135
- https://go.dev/cl/468295
- https://groups.google.com/g/golang-announce/c/V0aBFqaFs_E
- https://pkg.go.dev/vuln/GO-2023-1571
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4MA5XS5DAOJ5PKKNG5TUXKPQOFHT5VBC/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RLBQ3A7ROLEQXQLXFDLNJ7MYPKG5GULE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGW7GE2Z32ZT47UFAQFDRQE33B7Q7LMT/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XX3IMUTZKRQ73PBZM4E2JP4BKYH4C6XE/
- https://www.couchbase.com/alerts/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4BUK2ZIAGCULOOYDNH25JPU6JBES5NF2/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T7N5GV4CHH6WAGX3GFMDD3COEOVCZ4RI/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/REMHVVIBDNKSRKNOTV7EQSB7CYQWOUOU/
- https://security.gentoo.org/glsa/202311-09
More from Go standard library
View All →CVE-2025-68121
Unexpected session resumption in crypto/tls
Unknown
0
CVE-2025-61730
Handshake messages may be processed at the incorrect encryption level in crypto/tls
Unknown
0
CVE-2025-61729
Excessive resource consumption when printing error string for host certificate validation in crypto/x509
Unknown
0
CVE-2025-61728
Excessive CPU consumption when building archive index in archive/zip
Unknown
0
CVE-2025-61727
Improper application of excluded DNS name constraints when verifying wildcard names in crypto/x509
Unknown
0
Affected Vendor
Go standard library
View all reports →Affected Software
net/http, golang.org/x/net/http2, golang.org/x/net/http2/hpack
Vulnerable Versions:
0, 1.20.0-0
Timeline
Official Publish:
February 28th, 2023
Last Modified:
May 5th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.