VULNERABILITY INTELLIGENCE
CVE-2026-32280
CVSS score7.5 HIGH
EPSS probability0.61%
CISA KEVNot currently listed
Published2026-04-08
Last modified2026-09-18
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
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.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-770
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-770
Primary references
- security@golang.org — Patch
- security@golang.org — Issue Tracking
- security@golang.org — Mailing List, Release Notes
- security@golang.org — Vendor Advisory
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c