CVE-2021-38297
CRITICALCVSS 9.8/10EPSS 10.30%
Last modified
CVE-2021-38297 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 10.30% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Golang | Go | < 1.16.9 |
| Golang | Go | >= 1.17.0, < 1.17.2 |
| Fedoraproject | Fedora | 34 |
| Fedoraproject | Fedora | 35 |
References
- https://groups.google.com/g/golang-announce/c/AEBu9j7yj5AMailing List, Release Notes, Third Party Advisory
- https://security.gentoo.org/glsa/202208-02Third Party Advisory
- https://security.netapp.com/advisory/ntap-20211118-0006/Third Party Advisory
- https://groups.google.com/g/golang-announce/c/AEBu9j7yj5AMailing List, Release Notes, Third Party Advisory
- https://security.gentoo.org/glsa/202208-02Third Party Advisory
- https://security.netapp.com/advisory/ntap-20211118-0006/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-38297?
CVE-2021-38297 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 10.30% probability of exploitation in the next 30 days.
How do I fix CVE-2021-38297?
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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Are you affected by CVE-2021-38297?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST