Description
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 .
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Cloudflare | CIRCL | CIRCL up to version 1.6.2 – < 1.6.3 | 1.6.3 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | golang-github-cloudflare-circl | No fix yet | — |
| Ubuntu 26.04 LTS | golang-github-cloudflare-circl | No fix yet | — |
| Ubuntu 25.10 | golang-github-cloudflare-circl | No fix yet | — |
| Ubuntu 24.04 LTS | golang-github-cloudflare-circl | No fix yet | — |
| Ubuntu 22.04 LTS | golang-github-cloudflare-circl | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | alloy | 1.18.0-150700.15.26.1 | SUSE-SU-2026:4210-1 |
| SLES 15 SP7 | amazon-ssm-agent | 3.3.4624.0-150000.5.37.1 | SUSE-SU-2026:2467-1 |
| SLES 15 SP7 | grafana | 12.4.10-150200.3.94.3 | SUSE-SU-2026:4600-1 |
| SLES 15 SP7 | system-user-grafana | 1.0.0-150200.5.8.1 | SUSE-SU-2026:4600-1 |
| SLES 15 SP6 | amazon-ssm-agent | 3.3.4624.0-150000.5.37.1 | SUSE-SU-2026:2467-1 |
| SLES 15 SP5 | amazon-ssm-agent | 3.3.4624.0-150000.5.37.1 | SUSE-SU-2026:2467-1 |
| SLES 15 SP4 | amazon-ssm-agent | 3.3.4624.0-150000.5.37.1 | SUSE-SU-2026:2467-1 |
| SLES 12 | amazon-ssm-agent | 3.3.4624.0-4.49.1 | SUSE-SU-2026:2468-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | alloy | 1.18.0-160000.1.1 | SUSE-SU-2026:23865-1, SUSE-SU-2026:23853-1 |
| SLES for SAP 16.0 | amazon-ssm-agent | 3.3.4624.0-160000.1.1 | SUSE-SU-2026:22157-1 |
| SLES 16.0 | alloy | 1.18.0-160000.1.1 | SUSE-SU-2026:23865-1, SUSE-SU-2026:23853-1 |
| SLES 16.0 | amazon-ssm-agent | 3.3.4624.0-160000.1.1 | SUSE-SU-2026:22157-1 |
| SUSE Multi Linux Manager Tools SLE-Micro-5 | uyuni-tools | 5.2.17-150002.3.20.1 | SUSE-SU-2026:4585-1 |
| SUSE Multi Linux Manager Tools SLE-Micro-5 | venv-salt-minion | 3006.0-150002.5.22.1 | SUSE-SU-2026:4585-1 |
| SUSE Multi Linux Manager Tools SLE-15 | golang-github-prometheus-prometheus | 3.13.2-150002.3.19.1 | SUSE-SU-2026:4585-1 |
| SUSE Multi Linux Manager Tools SLE-15 | grafana | 12.4.10-150002.4.27.1 | SUSE-SU-2026:4585-1 |
| SUSE Multi Linux Manager Tools SLE-15 | mgr-push | 5.2.5-150002.3.12.1 | SUSE-SU-2026:4585-1 |
| SUSE Multi Linux Manager Tools SLE-15 | spacecmd | 5.2.10-150002.3.15.1 | SUSE-SU-2026:4585-1 |
| SUSE Multi Linux Manager Tools SLE-15 | spacewalk-client-tools | 5.2.7-150002.3.12.1 | SUSE-SU-2026:4585-1 |
| SUSE Multi Linux Manager Tools SLE-15 | uyuni-tools | 5.2.17-150002.3.20.1 | SUSE-SU-2026:4585-1 |
| SUSE Multi Linux Manager Tools SLE-15 | venv-salt-minion | 3006.0-150002.5.22.1 | SUSE-SU-2026:4585-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | alloy | 1.18.0-1.1 | openSUSE-SU-2026:11438-1 |
| openSUSE Tumbleweed | amazon-ssm-agent | 3.3.4121.0-1.1 | openSUSE-SU-2026:10486-1 |
| openSUSE Tumbleweed | cheat | 5.1.0-2.1 | openSUSE-SU-2026:10967-1 |
| openSUSE Tumbleweed | enc | 1.1.5-2.1 | openSUSE-SU-2026:10995-1 |
| openSUSE Tumbleweed | git-bug | 0.10.1-4.1 | openSUSE-SU-2026:10803-1 |
| openSUSE Tumbleweed | go-sendxmpp | 0.16.0-1.1 | openSUSE-SU-2026:11199-1 |
| openSUSE Tumbleweed | gopass | 1.17.0-1.1 | openSUSE-SU-2026:11650-1 |
| openSUSE Tumbleweed | grafana | 12.4.5-4.1 | openSUSE-SU-2026:11619-1 |
| openSUSE Tumbleweed | kyverno | 1.17.2-1.1 | openSUSE-SU-2026:10613-1 |
| openSUSE Tumbleweed | rclone | 1.73.2-1.1 | openSUSE-SU-2026:10313-1 |
| openSUSE Tumbleweed | velociraptor | 0.7.0.4.git185.a5708584-2.1 | openSUSE-SU-2026:11126-1 |
| openSUSE Leap 16.0 | alloy | 1.18.0-160000.1.1 | openSUSE-SU-2026:21899-1 |
| openSUSE Leap 16.0 | amazon-ssm-agent | 3.3.4624.0-160000.1.1 | openSUSE-SU-2026:21079-1 |
| openSUSE Leap 16.0 | enc | 1.1.5-bp160.1.1 | openSUSE-SU-2026:20948-1 |
| openSUSE Leap 16.0 | go-sendxmpp | 0.16.0-bp160.1.1 | openSUSE-SU-2026:21277-1 |
| openSUSE Leap 16.0 | govulncheck-vulndb | 0.0.20260723T184607-160000.1.1 | openSUSE-SU-2026:21483-1 |
| openSUSE Leap 16.0 | grafana | 12.4.10-bp160.1.1 | openSUSE-SU-2026:22125-1 |
| openSUSE Leap 15.6 | govulncheck-vulndb | 0.0.20260317T205859-150000.1.152.1 | SUSE-SU-2026:1042-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | rclone | 1.73.5-r0 | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | aactl | 0.4.12-r43 | — |
| Wolfi rolling | actions-runner-controller | 0.13.1-r3 | — |
| Wolfi rolling | apko | 1.1.11-r1 | — |
| Wolfi rolling | argo-cd-3.2 +1 | 3.2.7-r1 | — |
| Wolfi rolling | argo-cd-3.3 +1 | 3.3.2-r1 | — |
| Wolfi rolling | argo-events | 1.9.10-r4 | — |
| Wolfi rolling | argo-rollouts +1 | 1.8.4-r2 | — |
| Wolfi rolling | argo-workflows-3.7 +1 | 3.7.10-r3 | — |
| Wolfi rolling | argo-workflows-4.0 +1 | 4.0.1-r2 | — |
| Wolfi rolling | argocd-image-updater | 1.1.1-r1 | — |
| Wolfi rolling | atlantis | 0.40.0-r2 | — |
| Wolfi rolling | boring-registry | 0.16.6-r8 | — |
| Wolfi rolling | buildkitd | 0.27.1-r4 | — |
| Wolfi rolling | cerbos +1 | 0.51.0-r4 | — |
| Wolfi rolling | cert-manager-cmctl | 2.4.1-r1 | — |
| Wolfi rolling | cilium-cli | 0.19.2-r1 | — |
| Wolfi rolling | cluster-api-1.12-clusterctl | 1.12.3-r1 | — |
| Wolfi rolling | crossplane-2.2-crank | 2.2.0-r1 | — |
| Wolfi rolling | crossplane-provider-aws-s3 +23 | 2.4.0-r1 | — |
| Wolfi rolling | crossplane-provider-keycloak | 2.14.0-r2 | — |
| Wolfi rolling | dagger | 0.19.11-r2 | — |
| Wolfi rolling | docker-cli-buildx | 0.31.1-r3 | — |
| Wolfi rolling | dockerd-29 | 29.2.1-r2 | — |
| Wolfi rolling | extism | 1.6.3-r8 | — |
| Wolfi rolling | flux-2.7 | 2.7.5-r7 | — |
| Wolfi rolling | flux-2.8 | 2.8.1-r1 | — |
| Wolfi rolling | flux-helm-controller | 1.5.0-r1 | — |
| Wolfi rolling | flux-image-automation-controller | 1.1.0-r1 | — |
| Wolfi rolling | flux-kustomize-controller | 1.8.0-r2 | — |
| Wolfi rolling | flux-source-controller +1 | 1.8.0-r1 | — |
| Wolfi rolling | gitaly-18.6 +3 | No fix yet | — |
| Wolfi rolling | gitaly-18.7 | 18.7.5-r1 | — |
| Wolfi rolling | gitaly-18.8 | 18.8.5-r1 | — |
| Wolfi rolling | gitaly-18.9 | 18.9.1-r1 | — |
| Wolfi rolling | gitea | 1.25.4-r4 | — |
| Wolfi rolling | gitlab-runner-18.6 +1 | 18.6.6-r6 | — |
| Wolfi rolling | gitlab-runner-18.7 +1 | 18.7.2-r4 | — |
| Wolfi rolling | gitlab-runner-18.8 +1 | 18.8.0-r2 | — |
| Wolfi rolling | gitlab-runner-18.9 +1 | 18.9.0-r1 | — |
| Wolfi rolling | gitness | 3.3.0-r8 | — |
| Wolfi rolling | gitsign | 0.14.0-r5 | — |
| Wolfi rolling | gomplate-5 | 5.0.0-r5 | — |
| Wolfi rolling | goreleaser | 2.14.1-r1 | — |
| Wolfi rolling | gptscript | 0.9.8-r5 | — |
| Wolfi rolling | grafana-12.3 | 12.3.4-r1 | — |
| Wolfi rolling | grafana-alloy | 1.13.2-r1 | — |
| Wolfi rolling | grype | 0.109.0-r1 | — |
| Wolfi rolling | guac +1 | 1.0.1-r7 | — |
| Wolfi rolling | helm-4 | 4.1.1-r1 | — |
| Wolfi rolling | helm-push | 0.11.1-r1 | — |
| Wolfi rolling | hydra | 25.4.0-r6 | — |
| Wolfi rolling | k9s | 0.50.18-r4 | — |
| Wolfi rolling | kots | 1.129.4-r1 | — |
| Wolfi rolling | ksops | 4.4.0-r7 | — |
| Wolfi rolling | kubescape | 4.0.2-r1 | — |
| Wolfi rolling | kubevela-vela-cli +1 | 1.10.7-r1 | — |
| Wolfi rolling | kyverno-1.17 +5 | 1.17.1-r1 | — |
| Wolfi rolling | kyverno-notation-aws | 1.1-r36 | — |
| Wolfi rolling | lazygit | 0.59.0-r1 | — |
| Wolfi rolling | melange | 0.43.3-r1 | — |
| Wolfi rolling | nfpm | 2.45.0-r3 | — |
| Wolfi rolling | nuclei | 3.7.0-r6 | — |
| Wolfi rolling | openbao | 2.5.1-r1 | — |
| Wolfi rolling | opentofu-1.11 | 1.11.5-r1 | — |
| Wolfi rolling | opentofu-1.9 | 1.9.4-r7 | — |
| Wolfi rolling | osv-scanner | 2.3.3-r1 | — |
| Wolfi rolling | policy-controller-tester | 0.14.0-r2 | — |
| Wolfi rolling | pulumi +3 | 3.224.0-r0 | — |
| Wolfi rolling | pulumi-kubernetes-operator | 2.5.0-r1 | — |
| Wolfi rolling | pulumi-language-dotnet | 3.101.2-r1 | — |
| Wolfi rolling | pulumi-language-java | 1.21.2-r1 | — |
| Wolfi rolling | pulumi-language-yaml | 1.29.1-r1 | — |
| Wolfi rolling | q | 0.19.11-r6 | — |
| Wolfi rolling | rancher-fleet-cli +1 | 0.14.3-r1 | — |
| Wolfi rolling | ratify | 1.4.0-r12 | — |
| Wolfi rolling | rclone | 1.73.1-r1 | — |
| Wolfi rolling | scorecard | 5.4.0-r7 | — |
| Wolfi rolling | skaffold | 2.17.2-r1 | — |
| Wolfi rolling | snyk-cli | 1.1303.0-r1 | — |
| Wolfi rolling | sops | 3.12.1-r1 | — |
| Wolfi rolling | src-fingerprint | 0.19.0-r40 | — |
| Wolfi rolling | syft | 1.42.1-r1 | — |
| Wolfi rolling | terraform-provider-azuread | 3.8.0-r1 | — |
| Wolfi rolling | terraform-provider-azurerm | 4.62.0-r0 | — |
| Wolfi rolling | terraform-provider-pagerduty | 3.31.2-r1 | — |
| Wolfi rolling | terragrunt | 0.99.3-r2 | — |
| Wolfi rolling | tfsec | 1.28.14-r14 | — |
| Wolfi rolling | trivy | 0.69.1-r2 | — |
| Wolfi rolling | trivy-operator | 0.30.0-r2 | — |
| Wolfi rolling | trufflehog | 3.93.4-r1 | — |
| Wolfi rolling | vcluster +2 | 0.32.0-r1 | — |
| Wolfi rolling | wal-g-pg | 3.0.8-r2 | — |
| Wolfi rolling | witness | 0.10.2-r8 | — |
| Wolfi rolling | wolfictl | 0.39.2-r1 | — |
| Wolfi rolling | xeol | 0.10.8-r24 | — |
| Wolfi rolling | zarf | 0.73.0-r1 | — |
| Wolfi rolling | zot | 2.1.14-r4 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/cloudflare/circl | < 1.6.3 | 1.6.3 | GHSA-q9hv-hpm4-hj6x |
Advisories 28
- openSUSE-SU-2026:22125-1 Security update for grafana SUSE / openSUSE Security Updates · Oct 20, 2026
- SUSE-SU-2026:4600-1 Security update for grafana, system-user-grafana SUSE / openSUSE Security Updates · Oct 9, 2026
- SUSE-SU-2026:4585-1 Security update 5.2.1 for Multi-Linux Manager Client Tools SUSE / openSUSE Security Updates · Oct 8, 2026
- SUSE-SU-2026:23865-1 Security update for alloy SUSE / openSUSE Security Updates · Sep 27, 2026
- SUSE-SU-2026:23853-1 Security update for alloy SUSE / openSUSE Security Updates · Sep 27, 2026
- openSUSE-SU-2026:21899-1 Security update for alloy SUSE / openSUSE Security Updates · Sep 25, 2026
- SUSE-SU-2026:4210-1 Security update for alloy SUSE / openSUSE Security Updates · Sep 16, 2026
- WID-SEC-2026-2451 Oracle Siebel CRM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 2, 2026
- openSUSE-SU-2026:11650-1 gopass-1.17.0-1.1 on GA media SUSE / openSUSE Security Updates · Sep 1, 2026
- openSUSE-SU-2026:11619-1 grafana-12.4.5-4.1 on GA media SUSE / openSUSE Security Updates · Aug 28, 2026
- openSUSE-SU-2026:11438-1 alloy-1.18.0-1.1 on GA media SUSE / openSUSE Security Updates · Aug 4, 2026
- openSUSE-SU-2026:21483-1 Security update for govulncheck-vulndb SUSE / openSUSE Security Updates · Jul 31, 2026
- openSUSE-SU-2026:21277-1 Security update for go-sendxmpp SUSE / openSUSE Security Updates · Jul 11, 2026
- openSUSE-SU-2026:11199-1 go-sendxmpp-0.16.0-1.1 on GA media SUSE / openSUSE Security Updates · Jul 9, 2026
- openSUSE-SU-2026:21079-1 Security update for amazon-ssm-agent SUSE / openSUSE Security Updates · Jun 30, 2026
- VDE-2026-049 Balluff GmbH: Multiple Vulnerabilities Affecting BNI EGW-720-007-K095 and BAV MA-NC-00025-01 CERT@VDE · Jun 30, 2026
- openSUSE-SU-2026:11126-1 velociraptor-0.7.0.4.git185.a5708584-2.1 on GA media SUSE / openSUSE Security Updates · Jun 26, 2026
- SUSE-SU-2026:22157-1 Security update for amazon-ssm-agent SUSE / openSUSE Security Updates · Jun 24, 2026
- SUSE-SU-2026:2468-1 Security update for amazon-ssm-agent SUSE / openSUSE Security Updates · Jun 20, 2026
- SUSE-SU-2026:2467-1 Security update for amazon-ssm-agent SUSE / openSUSE Security Updates · Jun 20, 2026
- openSUSE-SU-2026:20948-1 Security update for enc SUSE / openSUSE Security Updates · Jun 13, 2026
- openSUSE-SU-2026:10995-1 enc-1.1.5-2.1 on GA media SUSE / openSUSE Security Updates · Jun 12, 2026
- openSUSE-SU-2026:10967-1 cheat-5.1.0-2.1 on GA media SUSE / openSUSE Security Updates · Jun 9, 2026
- openSUSE-SU-2026:10803-1 git-bug-0.10.1-4.1 on GA media SUSE / openSUSE Security Updates · May 19, 2026
- openSUSE-SU-2026:10613-1 kyverno-1.17.2-1.1 on GA media SUSE / openSUSE Security Updates · Apr 26, 2026
- openSUSE-SU-2026:10486-1 amazon-ssm-agent-3.3.4121.0-1.1 on GA media SUSE / openSUSE Security Updates · Apr 5, 2026
- SUSE-SU-2026:1042-1 Security update for govulncheck-vulndb SUSE / openSUSE Security Updates · Mar 26, 2026
- openSUSE-SU-2026:10313-1 rclone-1.73.2-1.1 on GA media SUSE / openSUSE Security Updates · Mar 10, 2026