CVE-2021-3114

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-01-26 · updated 2026-06-17
Weakness: CWE-682

Description

In Go before 1.14.14 and 1.15.x before 1.15.7, crypto/elliptic/p224.go can generate incorrect outputs, related to an underflow of the lowest limb during the final complete reduction in the P-224 field.

Affected products

Debian Linux: 9.0, 10.0
Fedoraproject Fedora: 33
Go: before 1.14.14; from 1.15 before 1.15.7 — fixed in 1.14.14, 1.15.7
NetApp Cloud Insights Telegraf Agent: all versions
NetApp StorageGRID: all versions

How to fix

Upgrade to a fixed version: Go 1.14.14, 1.15.7. Check the vendor advisory for mitigations.

References

https://github.com/golang/go/commit/d95ca9138026cbe40e0857d76a81a16d03230871
https://groups.google.com/g/golang-announce/c/mperVMGa98w
https://lists.debian.org/debian-lts-announce/2021/03/msg00014.html
https://lists.debian.org/debian-lts-announce/2021/03/msg00015.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YWAYJGXWC232SG3UR3TR574E6BP3OSQQ/
https://security.gentoo.org/glsa/202208-02
https://security.netapp.com/advisory/ntap-20210219-0001/
https://www.debian.org/security/2021/dsa-4848
https://github.com/golang/go/commit/d95ca9138026cbe40e0857d76a81a16d03230871
https://groups.google.com/g/golang-announce/c/mperVMGa98w
https://lists.debian.org/debian-lts-announce/2021/03/msg00014.html
https://lists.debian.org/debian-lts-announce/2021/03/msg00015.html

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