GHSA-q9hv-hpm4-hj6xPublished

Incorrect calculation in CIRCL secp384r1 CombinedMult

Exploitation and risk

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cve-program · CVE-2026-1229

Published

The CombinedMult function in the CIRCL ecc/p384 package (secp384r1 curve) produces an incorrect value for specific inputs. The issue is fixed by using complete addition formulas. ECDH and ECDSA signing relying on this curve are not affected. The bug was fixed in v1.6.3 https://github.com/cloudflare/circl/releases/tag/v1.6.3 .

Source published: 24 Feb 2026 07:58:54 UTC
Source modified: 24 Feb 2026 15:10:21 UTC
Saved here: 23 Oct 2026 15:48:27 UTC
Source terms: CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 4.0 · 2.9 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/S:N/AU:Y/U:Amber

euvd · EUVD-2026-7384

Published

Additional publisher context

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Feb 24, 2026, 7:58:54 AM

dateUpdated: Feb 24, 2026, 3:10:21 PM

25 related source bulletins · separate from aliases

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openSUSE-SU-2026:10486-1: amazon-ssm-agent-3.3.4121.0-1.1 on GA media

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openSUSE-SU-2026:20948-1: Security update for enc

CVE-2026-1229

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CVE-2026-1229 · CVE-2026-14199 · CVE-2026-17033 · CVE-2026-17183 · CVE-2026-19197 · CVE-2026-19475 · CVE-2026-21723 · CVE-2026-2303 · CVE-2026-33814 · CVE-2026-39882 · CVE-2026-41178 · CVE-2026-41606 · CVE-2026-42127 · CVE-2026-56852 · CVE-2026-73501 · CVE-2026-8595 · CVE-2026-8609 · CVE-2026-9029

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openSUSE-SU-2026:22125-1: Security update for grafana

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openSUSE-SU-2026:11438-1: alloy-1.18.0-1.1 on GA media

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openSUSE-SU-2026:11126-1: velociraptor-0.7.0.4.git185.a5708584-2.1 on GA media

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SUSE-SU-2026:22157-1: Security update for amazon-ssm-agent

openSUSE-SU-2026:10613-1: kyverno-1.17.2-1.1 on GA media

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SUSE-SU-2026:23865-1: Security update for alloy

CVE-2026-10722 · CVE-2026-1229 · CVE-2026-33814 · CVE-2026-39821 · CVE-2026-41506 · CVE-2026-41606 · CVE-2026-41607

WID-SEC-W-2026-2451: Oracle Siebel CRM: Mehrere Schwachstellen

CVE-2021-3283 · CVE-2023-40577 · CVE-2024-39908 · CVE-2025-12383 · CVE-2025-13837 · CVE-2025-26791 · CVE-2025-5222 · CVE-2025-59250 · CVE-2025-67030 · CVE-2025-67721 · CVE-2025-68480 · CVE-2025-9624 · CVE-2026-1229 · CVE-2026-1605 · CVE-2026-22732 · CVE-2026-22737 · CVE-2026-24051 · CVE-2026-24308 · CVE-2026-24400 · CVE-2026-24734 · CVE-2026-26007 · CVE-2026-26960 · CVE-2026-27205 · CVE-2026-33186 · CVE-2026-34478 · CVE-2026-34500 · CVE-2026-34520 · CVE-2026-35204 · CVE-2026-40179 · CVE-2026-47011 · CVE-2026-47016 · CVE-2026-47018 · CVE-2026-47032 · CVE-2026-47036 · CVE-2026-60357 · CVE-2026-60689 · CVE-2026-60690 · CVE-2026-60704 · CVE-2026-60705 · CVE-2026-60709 · CVE-2026-60711 · CVE-2026-60712 · CVE-2026-60713

Source published: Feb 24, 2026, 7:58:54 AM (timezone not stated)
Source modified: Feb 24, 2026, 3:10:21 PM (timezone not stated)
Saved here: 15 Nov 2026 07:31:45 UTC
Source terms: ENISA EUVD · source terms and attribution apply

Original source record · Cite this exact observation · Complete original publisher JSON

Source: euvd · ENISA EUVD · source terms and attribution apply. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

EUVD CVSS 4.0 · 2.9 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/S:N/AU:Y/U:Amber

nvd · CVE-2026-1229

Published

Additional publisher context

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-682

Original publisher date fields

published: 2026-02-24T08:16:28.407

lastModified: 2026-06-17T10:15:21.823

1 source CPE criteria · context only

cpe:2.3:a:cloudflare:circl:*:*:*:*:*:go:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Source published: 24 Feb 2026 08:16:28 UTC
Source modified: 17 Jun 2026 10:15:21 UTC
Saved here: 25 Oct 2026 05:17:25 UTC
Source terms: NIST NVD usage terms; underlying source attribution retained

Original source record · Cite this exact observation · Complete original publisher JSON

Source: nvd · NIST NVD usage terms; underlying source attribution retained. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 4.0 · [email protected] · Secondary · 2.9 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:X/V:X/RE:X/U:Amber

CVSS 3.1 · [email protected] · Primary · 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

osv · GHSA-q9hv-hpm4-hj6x

Published

The CombinedMult function in the CIRCL ecc/p384 package (secp384r1 curve) produces an incorrect value for specific inputs. The issue is fixed by using complete addition formulas. ECDH and ECDSA signing relying on this curve are not affected. The bug was fixed in **[v1.6.3](https://github.com/cloudflare/circl/releases/tag/v1.6.3)**.

Source published: 25 Feb 2026 19:17:50 UTC
Source modified: 10 Sep 2026 03:50:59 UTC
Saved here: 24 Oct 2026 13:19:41 UTC
Source terms: GitHub Advisory Database · CC-BY-4.0

Original source record · Cite this exact observation · Complete original publisher JSON

Source: osv · GitHub Advisory Database · CC-BY-4.0. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS_V4 · CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/S:N/AU:Y/U:Amber

Publisher rating · LOW

osv · GO-2026-4550

Published

CIRCL has an incorrect calculation in secp384r1 CombinedMult in github.com/cloudflare/circl

Source published: 27 Feb 2026 02:17:00 UTC
Source modified: 9 Mar 2026 02:03:40 UTC
Saved here: 24 Oct 2026 13:19:41 UTC
Source terms: OSV · upstream source license applies

Original source record · Cite this exact observation · Complete original publisher JSON

Source: osv · OSV · upstream source license applies. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.