CVE-2026-32283

HIGH EPSS 35.9%
Published Apr 8, 20262mo ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Apr 8, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
35.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-770

Affected Products 2

VendorProductVersionRange
golanggo* <1.25.9
golanggo*≥1.26.0  –  <1.26.2

References 4

  • go.dev https://go.dev/cl/763767
    Patch
  • go.dev https://go.dev/issue/78334
    Issue Tracking
  • groups.google.com https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU
    Mailing ListRelease Notes
  • pkg.go.dev https://pkg.go.dev/vuln/GO-2026-4870
    Vendor Advisory

Remediation

  • go.dev https://go.dev/cl/763767
    Patch