{"id":"UBUNTU-CVE-2025-52936","details":"Improper Link Resolution Before File Access ('Link Following') vulnerability in yrutschle sslh.This issue affects sslh: before 2.2.2.","modified":"2026-06-01T19:00:15.845471883Z","published":"2025-06-23T10:15:00Z","related":["USN-8360-1"],"upstream":["CVE-2025-52936"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-52936"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-52936"},{"type":"REPORT","url":"https://github.com/yrutschle/sslh/pull/494"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8360-1"}],"affected":[{"package":{"name":"sslh","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/sslh?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.17-2ubuntu0.1~esm1"}]}],"versions":["1.17-2"],"ecosystem_specific":{"binaries":[{"binary_name":"sslh","binary_version":"1.17-2ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-52936.json"}},{"package":{"name":"sslh","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/sslh?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.18-1ubuntu0.1~esm1"}]}],"versions":["1.18-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"sslh","binary_version":"1.18-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-52936.json"}},{"package":{"name":"sslh","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/sslh?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.18-1","1.20-1","1.20-1+deb11u1build0.20.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.20-1+deb11u1build0.20.04.1","binary_name":"sslh"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-52936.json"}},{"package":{"name":"sslh","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/sslh?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.20-1+deb11u1build0.22.04.1"}]}],"versions":["1.20-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.20-1+deb11u1build0.22.04.1","binary_name":"sslh"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-52936.json"}},{"package":{"name":"sslh","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/sslh?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.22c-1ubuntu0.1~esm1"}]}],"versions":["1.20-1.1","1.22c-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"1.22c-1ubuntu0.1~esm1","binary_name":"sslh"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-52936.json"}},{"package":{"name":"sslh","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/sslh?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.4-1ubuntu0.25.10.1"}]}],"versions":["2.1.4-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"sslh","binary_version":"2.1.4-1ubuntu0.25.10.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-52936.json"}},{"package":{"name":"sslh","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/sslh?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.4-1ubuntu0.26.04.1"}]}],"versions":["2.1.4-1build1","2.1.4-1build2"],"ecosystem_specific":{"binaries":[{"binary_name":"sslh","binary_version":"2.1.4-1ubuntu0.26.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-52936.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/S:N/AU:Y/R:U/V:C/RE:M/U:Amber"},{"type":"Ubuntu","score":"medium"}]}