CVE-2018-16875
highpriority · track · 32EPSS 0.064 · 94 %ileEURUUSEPSS · scored 2026-10-27
The crypto/x509 package of Go before 1.10.6 and 1.11.x before 1.11.3 does not limit the amount of work performed for each chain verification, which might allow attackers to craft pathological inputs leading to a CPU denial of service. Go TLS servers accepting client certificates and TLS clients are affected.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.9–7.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (12)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- GO-2022-0191Denial of service in chain verification in crypto/x5092022-07-15vendor · osvUS
The crypto/x509 package does not limit the amount of work performed for each chain verification, which might allow attackers to craft pathological inputs leading to a CPU denial of service. Go TLS servers accepting client certificates and TLS clients verifying certificates are affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (44)
External citations — patches, advisories, analysis.
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00044.htmlcnnvd
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00060.htmlcnnvd
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00011.htmlcnnvd
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00015.htmlcnnvd
- http://www.ibm.com/support/docview.wsscnnvd
- http://www.securityfocus.com/bid/106230cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16875cnnvd
- https://github.com/golang/go/issues/29233Patchcnnvd
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