BIT-golang-2025-58187

vendorUSosv

Quadratic complexity when checking name constraints in crypto/x509

view advisory published 2025-11-06Licence: per source

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2025-58187US	—	0.41% (35th)	—	2025-10-29
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 program…

references

External citations — patches, advisories, analysis.

http://www.openwall.com/lists/oss-security/2025/10/08/1DISCUSSION
https://go.dev/cl/709854FIX
https://go.dev/issue/75681REPORT
https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bIDISCUSSION
https://nvd.nist.gov/vuln/detail/CVE-2025-58187WEB
https://pkg.go.dev/vuln/GO-2025-4007ADVISORY

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