What’s Vulnerable › Vulnerabilities

CVE-2022-28327

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-04-20 · updated 2026-06-17

Description

The generic P-256 feature in crypto/elliptic in Go before 1.17.9 and 1.18.x before 1.18.1 allows a panic via long scalar input.

Affected products

• Fedoraproject Extra Packages For Enterprise Linux: 7.0, 8.0
• Fedoraproject Fedora: 34, 35, 36
• Go: before 1.17.9; from 1.18.0 before 1.18.1 — fixed in 1.17.9, 1.18.1

How to fix

Upgrade to a fixed version: Go 1.17.9, 1.18.1. Check the vendor advisory for mitigations.

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-744259.pdf
• https://groups.google.com/g/golang-announce
• https://groups.google.com/g/golang-announce/c/oecdBNLOml8
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TYZC4OAY54TO75FBEFAPV5G7O4D5TM/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F3BMW5QGX53CMIJIZWKXFKBJX2C5GWTY/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NY6GEAJMNKKMU5H46QO4D7D6A24KSPXE/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RCRSABD6CUDIZULZPZL5BJ3ET3A2NEJP/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RQXU752ALW53OJAF5MG3WMR5CCZVLWW6/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z55VUVGO7E5PJFXIOVAY373NZRHBNCI5/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZY2SLWOQR4ZURQ7UBRZ7JIX6H6F5JHJR/
• https://security.gentoo.org/glsa/202208-02
• https://security.netapp.com/advisory/ntap-20220915-0010/

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