Vulnerability Description
If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. This only affects TLS 1.3.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Golang | Go | < 1.25.9 |
Related Weaknesses (CWE)
References
- https://go.dev/cl/763767Patch
- https://go.dev/issue/78334Issue Tracking
- https://groups.google.com/g/golang-announce/c/0uYbvbPZRWURelease NotesMailing List
- https://pkg.go.dev/vuln/GO-2026-4870Vendor Advisory
FAQ
What is CVE-2026-32283?
CVE-2026-32283 is a vulnerability with a CVSS score of 7.5 (HIGH). If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a d...
How severe is CVE-2026-32283?
CVE-2026-32283 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-32283?
Check the references section above for vendor advisories and patch information. Affected products include: Golang Go.