{"id":"UBUNTU-CVE-2026-1229","details":"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 .","modified":"2026-05-20T16:11:33.306098680Z","published":"2026-02-24T08:16:00Z","upstream":["CVE-2026-1229"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-1229"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-1229"},{"type":"REPORT","url":"https://github.com/cloudflare/circl"}],"affected":[{"package":{"name":"golang-github-cloudflare-circl","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/golang-github-cloudflare-circl?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0+20200724-1","1.0.0+20200724-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.0+20200724-1ubuntu1","binary_name":"golang-github-cloudflare-circl-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1229.json"}},{"package":{"name":"golang-github-cloudflare-circl","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/golang-github-cloudflare-circl?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.3-1","1.3.5-1","1.3.6-1","1.3.7-1"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-github-cloudflare-circl-dev","binary_version":"1.3.7-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1229.json"}},{"package":{"name":"golang-github-cloudflare-circl","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/golang-github-cloudflare-circl?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.0-1","1.6.1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.1-1","binary_name":"golang-github-cloudflare-circl-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1229.json"}},{"package":{"name":"golang-github-cloudflare-circl","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/golang-github-cloudflare-circl?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.1-1","1.6.3-1"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-github-cloudflare-circl-dev","binary_version":"1.6.3-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1229.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"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"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}