Buffer overflow in Golang Go
CVE-2021-38297
Go before 1.16.9 and 1.17.x before 1.17.2 has a Buffer Overflow via large arguments in a function invocation from a WASM module, when GOARCH=wasm GOOS=js is used.
Vulnerability class: Buffer Overflow
EPSS: 0.103 (95.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Golang Go
- Fedoraproject Fedora — versions 34, 35
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org
- cve@mitre.org (Mailing List, Third Party Advisory, Release Notes)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list)
Frequently asked questions
- What is CVE-2021-38297?
- CVE-2021-38297 is a critical-severity vulnerability in Golang Go, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2021-10-18.
- How severe is CVE-2021-38297?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-38297 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.