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CVE-2025-58187

Quadratic complexity when checking name constraints in crypto/x509

Published: Oct 29, 2025Updated: Jan 29, 2026 Sources: CVE List NVD BDUCWE-407
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.4%
Top 71.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-407

Affected Products

crypto/x509Go standard library
Library
OSS Libraries / go
gogolangOSS Libraries
GoThe Go ProjectOSS Libraries
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
Аврора ЦентрООО "Открытая мобильная платформа"
On-prem
Operating Systems / mobile-os
go standard libraryoss-projectUSOSS Librariesaka golang standard library, net/http, crypto/x509, html/template
golangoss-projectUSOSS Libraries
the go projectoss-projectOSS Librariesaka go, golang-google-protobuf, crypto
ооо «ред софт»commercialRUOperating Systemsaka red soft
ооо "открытая мобильная платформа"commercialRUOperating Systems

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://go.dev/issue/75681
go.dev
https://go.dev/cl/709854
go.dev
https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI
groups.google.com
and 6 more references View all →

Timeline

Published
Oct 29, 2025
Last Updated
Jan 29, 2026

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