Vulnerability in Golang Go
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.
EPSS: 0.046 (90.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Golang Go — versions 1.20.0
- Golang Hpack
- Golang Http2
- Golang.org/x/net Golang.org/x/net/http2 — versions 0
- Golang.org/x/net Golang.org/x/net/http2/hpack — versions 0
- Go Standard Library Net/http — versions 0, 1.20.0-0
Public proof-of-concept exploits
References
- security@golang.org (Issue Tracking)
- security@golang.org (Patch)
- security@golang.org (Patch)
- security@golang.org (Mailing List, Vendor Advisory)
- security@golang.org (Vendor Advisory)
- security@golang.org (Third Party Advisory)
- security@golang.org (Third Party Advisory)
- security@golang.org (Third Party Advisory)
- security@golang.org (Third Party Advisory)
- security@golang.org
Frequently asked questions
- What is CVE-2022-41723?
- CVE-2022-41723 is a high-severity vulnerability in Golang Go. CVSS score: 7.5/10. Published 2023-02-28.
- How severe is CVE-2022-41723?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-41723 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.