Description
Due to the design of the name constraint checking algorithm, the processing time of some inputs scale non-linearly with respect to the size of the certificate. This affects programs which validate arbitrary certificate chains.
Affected products
golang: go
References5
- pkg.go.dev/vuln/GO-2025-4007 Vendor Advisory
- go.dev/cl/709854 Patch
- go.dev/issue/75681 Issue Tracking
- groups.google.com/g/golang-announce/c/4Emdl2iQ_bI Mailing ListRelease Notes
- www.openwall.com/lists/oss-security/2025/10/08/1 Mailing ListRelease Notes
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 35 · as of 10 November 2026
- CWE
- CWE-407
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