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CVE-2022-41723
Denial of service via crafted HTTP/2 stream in net/http and golang.org/x/net
High7.5EPSS 4.6%
- Published
- Updated
- Reserved
- Assigned by
- Go
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 4.6% · top 8.3% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- CWE 400: Uncontrolled Resource Consumption
- NVD-CWE-Other
Affected products
Go standard library · net/http
- affected < 1.19.6
- affected 1.20.0-0 – < 1.20.1
golang.org/x/net · golang.org/x/net/http2
- affected < 0.7.0
golang.org/x/net · golang.org/x/net/http2/hpack
- affected < 0.7.0
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogolang.org/x/netGHSA-vvpx-j8f3-3w6h (opens in a new tab)
References (15)
- https://go.dev/issue/57855 (opens in a new tab)x_transferred
- https://go.dev/cl/468135 (opens in a new tab)x_transferred
- https://go.dev/cl/468295 (opens in a new tab)x_transferred
- https://groups.google.com/g/golang-announce/c/V0aBFqaFs_E (opens in a new tab)x_transferred
- https://pkg.go.dev/vuln/GO-2023-1571 (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/4MA5XS5DAOJ5PKKNG5TUXKPQOFHT5VBC/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/RLBQ3A7ROLEQXQLXFDLNJ7MYPKG5GULE/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/RGW7GE2Z32ZT47UFAQFDRQE33B7Q7LMT/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/XX3IMUTZKRQ73PBZM4E2JP4BKYH4C6XE/ (opens in a new tab)x_transferred
- https://www.couchbase.com/alerts/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/4BUK2ZIAGCULOOYDNH25JPU6JBES5NF2/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/T7N5GV4CHH6WAGX3GFMDD3COEOVCZ4RI/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/REMHVVIBDNKSRKNOTV7EQSB7CYQWOUOU/ (opens in a new tab)x_transferred
- https://security.gentoo.org/glsa/202311-09 (opens in a new tab)x_transferred
- https://security.netapp.com/advisory/ntap-20230331-0010/ (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-vvpx-j8f3-3w6h (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-41723)Record last updated .