CVE-2022-41723
HIGHCVSS 7.5/10EPSS 4.56%
Last modified
CVE-2022-41723 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 4.56% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Golang | Go | < 1.19.6 |
| Golang | Go | 1.20.0 |
| Golang | Hpack | < 0.7.0 |
| Golang | Http2 | < 0.7.0 |
References
- https://go.dev/issue/57855Issue Tracking
- https://groups.google.com/g/golang-announce/c/V0aBFqaFs_EMailing List, Vendor Advisory
- https://pkg.go.dev/vuln/GO-2023-1571Vendor Advisory
- https://go.dev/issue/57855Issue Tracking
- https://groups.google.com/g/golang-announce/c/V0aBFqaFs_EMailing List, Vendor Advisory
- https://pkg.go.dev/vuln/GO-2023-1571Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-41723?
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.
How severe is CVE-2022-41723?
CVE-2022-41723 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.56% probability of exploitation in the next 30 days.
How do I fix CVE-2022-41723?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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- CVE-2022-41726Rejected reason: reserved but not needed
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- CVE-2022-41728Rejected reason: reserved but not needed
- CVE-2022-41729Rejected reason: reserved but not needed
Are you affected by CVE-2022-41723?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST