Vulnerability in Golang Go
CVE-2023-29406
The HTTP/1 client does not fully validate the contents of the Host header. A maliciously crafted Host header can inject additional headers or entire requests. With fix, the HTTP/1 client now refuses to send requests containing an invalid Request.Host or Request.URL.Host value.
EPSS: 0.015 (70.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
Affected products
- Golang Go
- Go Standard Library Net/http — versions 0, 1.20.0-0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@golang.org (Patch, Issue Tracking)
- security@golang.org (Patch)
- security@golang.org (Mailing List)
- security@golang.org (Vendor Advisory)
- security@golang.org
- security@golang.org
Frequently asked questions
- What is CVE-2023-29406?
- CVE-2023-29406 is a medium-severity vulnerability in Golang Go, classified under CWE-436. CVSS score: 6.5/10. Published 2023-07-11.
- How severe is CVE-2023-29406?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-29406 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.