{"id":"UBUNTU-CVE-2025-69277","details":"libsodium before ad3004e, in atypical use cases involving certain custom cryptography or untrusted data to crypto_core_ed25519_is_valid_point, mishandles checks for whether an elliptic curve point is valid because it sometimes allows points that aren't in the main cryptographic group.","modified":"2026-04-22T16:14:12.392555Z","published":"2025-12-31T06:15:00Z","related":["USN-7949-1"],"upstream":["CVE-2025-69277"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-69277"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-69277"},{"type":"REPORT","url":"https://00f.net/2025/12/30/libsodium-vulnerability/"},{"type":"REPORT","url":"https://ianix.com/pub/ed25519-deployment.html"},{"type":"REPORT","url":"https://news.ycombinator.com/item?id=46435614"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7949-1"}],"affected":[{"package":{"name":"libsodium","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libsodium@1.0.8-5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.3-1","1.0.8-5"],"ecosystem_specific":{"binaries":[{"binary_name":"libsodium18","binary_version":"1.0.8-5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-69277.json"}},{"package":{"name":"libsodium","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libsodium@1.0.16-2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.13-1","1.0.14-1","1.0.16-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libsodium23","binary_version":"1.0.16-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-69277.json"}},{"package":{"name":"libsodium","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libsodium@1.0.18-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.18-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libsodium23","binary_version":"1.0.18-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-69277.json"}},{"package":{"name":"libsodium","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libsodium@1.0.18-1ubuntu0.22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.18-1ubuntu0.22.04.1"}]}],"versions":["1.0.18-1build1","1.0.18-1build2"],"ecosystem_specific":{"binaries":[{"binary_name":"libsodium23","binary_version":"1.0.18-1ubuntu0.22.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-69277.json"}},{"package":{"name":"libsodium","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libsodium@1.0.18-1ubuntu0.24.04.1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.18-1ubuntu0.24.04.1"}]}],"versions":["1.0.18-1build2","1.0.18-1build3"],"ecosystem_specific":{"binaries":[{"binary_name":"libsodium23","binary_version":"1.0.18-1ubuntu0.24.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-69277.json"}},{"package":{"name":"libsodium","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/libsodium@1.0.18-1ubuntu0.25.10.1?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.18-1ubuntu0.25.10.1"}]}],"versions":["1.0.18-1build3"],"ecosystem_specific":{"binaries":[{"binary_name":"libsodium23","binary_version":"1.0.18-1ubuntu0.25.10.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-69277.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}