{"id":"UBUNTU-CVE-2022-4639","details":"A vulnerability, which was classified as critical, has been found in sslh. This issue affects the function hexdump of the file probe.c of the component Packet Dumping Handler. The manipulation of the argument msg_info leads to format string. The attack may be initiated remotely. The name of the patch is b19f8a6046b080e4c2e28354a58556bb26040c6f. It is recommended to apply a patch to fix this issue. The identifier VDB-216497 was assigned to this vulnerability.","modified":"2026-06-01T15:45:11.477842293Z","published":"2022-12-21T22:15:00Z","upstream":["CVE-2022-4639"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-4639"},{"type":"REPORT","url":"https://github.com/yrutschle/sslh/pull/353"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-4639"}],"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"}]}],"versions":["1.17-2","1.17-2ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.17-2ubuntu0.1~esm1","binary_name":"sslh"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-4639.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"}]}],"versions":["1.18-1","1.18-1ubuntu0.1~esm1"],"ecosystem_specific":{"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/2022/UBUNTU-CVE-2022-4639.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/2022/UBUNTU-CVE-2022-4639.json"}},{"package":{"name":"sslh","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/sslh?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.20-1","1.20-1+deb11u1build0.22.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"sslh","binary_version":"1.20-1+deb11u1build0.22.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-4639.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"}]}],"versions":["1.20-1.1","1.22c-1","1.22c-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"sslh","binary_version":"1.22c-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-4639.json"}},{"package":{"name":"sslh","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/sslh?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.4-1build1","2.1.4-1ubuntu0.25.10.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.1.4-1ubuntu0.25.10.1","binary_name":"sslh"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-4639.json"}},{"package":{"name":"sslh","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/sslh?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.4-1build1","2.1.4-1build2","2.1.4-1ubuntu0.26.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.1.4-1ubuntu0.26.04.1","binary_name":"sslh"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-4639.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L"},{"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"}]}