CVE-2026-32280
During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service. This affects both direct users of crypto/x509 and users of crypto/tls.
Published:Apr 8, 2026
Last Modified:Sep 9, 2026
EPS:Apr 8, 2026
EPSS Score:0.00615
CVSS Score:7.5
Affected Products
Vendor
Product
Action
Vendor
Go Standard Library
Product
Crypto/x509
Go Standard Library
Crypto/x509
Vendor
Golang
Product
Go
Golang
Go
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
