{"id":"UBUNTU-CVE-2026-44051","details":"An improper link resolution vulnerability in Netatalk 3.0.2 through 4.4.2 allows a remote authenticated attacker to read arbitrary files or overwrite arbitrary files via attacker-controlled symlink creation.","modified":"2026-06-09T13:00:19.987366365Z","published":"2026-05-21T08:16:00Z","related":["USN-8395-1"],"upstream":["CVE-2026-44051"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-44051"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-44051"},{"type":"REPORT","url":"https://netatalk.io/security/CVE-2026-44051"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8395-1"}],"affected":[{"package":{"name":"netatalk","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/netatalk?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.2-1ubuntu2.2+esm3"}]}],"versions":["2.2.2-1ubuntu1","2.2.2-1ubuntu2","2.2.2-1ubuntu2.2","2.2.2-1ubuntu2.2+esm1","2.2.2-1ubuntu2.2+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"netatalk","binary_version":"2.2.2-1ubuntu2.2+esm3"}],"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/2026/UBUNTU-CVE-2026-44051.json"}},{"package":{"name":"netatalk","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/netatalk?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.5-1ubuntu0.2+esm3"}]}],"versions":["2.2.5-1","2.2.5-1ubuntu0.2","2.2.5-1ubuntu0.2+esm1","2.2.5-1ubuntu0.2+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"netatalk","binary_version":"2.2.5-1ubuntu0.2+esm3"}],"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/2026/UBUNTU-CVE-2026-44051.json"}},{"package":{"name":"netatalk","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/netatalk?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.6-1ubuntu0.18.04.2+esm3"}]}],"versions":["2.2.6-1","2.2.6-1ubuntu0.18.04.2","2.2.6-1ubuntu0.18.04.2+esm1","2.2.6-1ubuntu0.18.04.2+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"netatalk","binary_version":"2.2.6-1ubuntu0.18.04.2+esm3"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44051.json"}},{"package":{"name":"netatalk","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/netatalk?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.12~ds-4ubuntu0.20.04.4+esm1"}]}],"versions":["3.1.12~ds-3","3.1.12~ds-4","3.1.12~ds-4ubuntu0.20.04.1","3.1.12~ds-4ubuntu0.20.04.3","3.1.12~ds-4ubuntu0.20.04.3+esm1","3.1.12~ds-4ubuntu0.20.04.4"],"ecosystem_specific":{"binaries":[{"binary_version":"3.1.12~ds-4ubuntu0.20.04.4+esm1","binary_name":"netatalk"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44051.json"}},{"package":{"name":"netatalk","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/netatalk?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.12~ds-9ubuntu0.22.04.4+esm1"}]}],"versions":["3.1.12~ds-9","3.1.12~ds-9build1","3.1.12~ds-9ubuntu0.22.04.1","3.1.12~ds-9ubuntu0.22.04.3","3.1.12~ds-9ubuntu0.22.04.3+esm1","3.1.12~ds-9ubuntu0.22.04.4"],"ecosystem_specific":{"binaries":[{"binary_name":"netatalk","binary_version":"3.1.12~ds-9ubuntu0.22.04.4+esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44051.json"}},{"package":{"name":"netatalk","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/netatalk?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.18~ds-1ubuntu0.1~esm2"}]}],"versions":["3.1.15~ds-1ubuntu1","3.1.18~ds-1","3.1.18~ds-1build2","3.1.18~ds-1build4","3.1.18~ds-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.1.18~ds-1ubuntu0.1~esm2","binary_name":"netatalk"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44051.json"}},{"package":{"name":"netatalk","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/netatalk?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.2~ds-4","4.2.1~ds-1","4.2.3~ds-1"],"ecosystem_specific":{"binaries":[{"binary_name":"a2boot","binary_version":"4.2.3~ds-1"},{"binary_version":"4.2.3~ds-1","binary_name":"atalkd"},{"binary_name":"libatalk","binary_version":"4.2.3~ds-1"},{"binary_version":"4.2.3~ds-1","binary_name":"macipgw"},{"binary_version":"4.2.3~ds-1","binary_name":"netatalk"},{"binary_name":"netatalk-tests","binary_version":"4.2.3~ds-1"},{"binary_name":"netatalk-tools","binary_version":"4.2.3~ds-1"},{"binary_version":"4.2.3~ds-1","binary_name":"papd"},{"binary_name":"timelord","binary_version":"4.2.3~ds-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44051.json"}},{"package":{"name":"netatalk","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/netatalk?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.3~ds-2.1ubuntu0.1"}]}],"versions":["4.2.3~ds-1","4.2.3~ds-2","4.2.3~ds-2.1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.2.3~ds-2.1ubuntu0.1","binary_name":"a2boot"},{"binary_name":"atalkd","binary_version":"4.2.3~ds-2.1ubuntu0.1"},{"binary_name":"libatalk","binary_version":"4.2.3~ds-2.1ubuntu0.1"},{"binary_name":"macipgw","binary_version":"4.2.3~ds-2.1ubuntu0.1"},{"binary_name":"netatalk","binary_version":"4.2.3~ds-2.1ubuntu0.1"},{"binary_name":"netatalk-tests","binary_version":"4.2.3~ds-2.1ubuntu0.1"},{"binary_name":"netatalk-tools","binary_version":"4.2.3~ds-2.1ubuntu0.1"},{"binary_name":"papd","binary_version":"4.2.3~ds-2.1ubuntu0.1"},{"binary_version":"4.2.3~ds-2.1ubuntu0.1","binary_name":"timelord"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44051.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}