PT-2026-31064 · Go Standard Library · Crypto/Tls

Published 2026-04-08 · Updated 2026-04-08 · CVE-2026-32283

NVD

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.

Related Identifiers

CVE-2026-32283

Affected Products

Crypto/Tls

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-32283 · Security Note
• https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU · Note
• https://pkg.go.dev/vuln/GO-2026-4870 · Note
• https://go.dev/issue/78334 · Note
• https://go.dev/cl/763767 · Note