SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-23806

Curve.IsOnCurve in crypto/elliptic in Go before 1.16.14 and 1.17.x before 1.17.7 can incorrectly return true in situations with a big.Int value that is not a valid field element.

CRITICAL 9.1EPSS 3.07%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.07%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Curve.IsOnCurve in crypto/elliptic in Go before 1.16.14 and 1.17.x before 1.17.7 can incorrectly return true in situations with a big.Int value that is not a valid field element.

CVSS 3.1
9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS
3.07% probability · 88th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-252
Affected
golang/go · netapp/beegfs csi driver · netapp/cloud insights telegraf agent · netapp/kubernetes monitoring operator · netapp/storagegrid · debian/debian linux
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 3.07%26 October 202626 October 2026

EPSS 3.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.