What’s Vulnerable › Vulnerabilities

CVE-2020-7919: Helm uses crypto package vulnerable to panic from malformed X.509 certificate

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-03-16 · updated 2026-06-17
• Weakness: CWE-295

Description

Go before 1.12.16 and 1.13.x before 1.13.7 (and the crypto/cryptobyte package before 0.0.0-20200124225646-8b5121be2f68 for Go) allows attacks on clients (resulting in a panic) via a malformed X.509 certificate.

Affected products

• Debian Linux: 10.0
• Fedoraproject Fedora: 31
• Go: from 1.12 before 1.12.6; from 1.13 before 1.13.7 — fixed in 1.12.6, 1.13.7
• NetApp Cloud Insights Telegraf: all versions
• Go Github.Com/Helm/Helm: from 2.0.0 before 2.16.8 — fixed in 2.16.8
• Golang.Org/X/Crypto: before 0.0.0-20200124225646-8b5121be2f68 — fixed in 0.0.0-20200124225646-8b5121be2f68
• Go Helm.Sh/Helm/V3: from 3.0.0 before 3.1.0 — fixed in 3.1.0
• Go Stdlib: before 1.12.16; from 1.13.0-0 before 1.13.7 — fixed in 1.12.16, 1.13.7

How to fix

Upgrade to a fixed version: Go 1.12.6, 1.13.7; Go Github.Com/Helm/Helm 2.16.8; Golang.Org/X/Crypto 0.0.0-20200124225646-8b5121be2f68; Go Helm.Sh/Helm/V3 3.1.0; Go Stdlib 1.12.16, 1.13.7. Check the vendor advisory for mitigations.

References

• https://groups.google.com/forum/#%21forum/golang-announce
• https://groups.google.com/forum/#%21topic/golang-announce/-sdUB4VEQkA
• https://groups.google.com/forum/#%21topic/golang-announce/Hsw4mHYc470
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S43VLYRURELDWX4D5RFOYBNFGO6CGBBC/
• https://security.netapp.com/advisory/ntap-20200327-0001/
• https://www.debian.org/security/2021/dsa-4848
• https://www.oracle.com/security-alerts/cpuApr2021.html
• https://groups.google.com/forum/#%21forum/golang-announce
• https://groups.google.com/forum/#%21topic/golang-announce/-sdUB4VEQkA
• https://groups.google.com/forum/#%21topic/golang-announce/Hsw4mHYc470
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S43VLYRURELDWX4D5RFOYBNFGO6CGBBC/
• https://security.netapp.com/advisory/ntap-20200327-0001/

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