{"id":"UBUNTU-CVE-2026-44055","details":"A logic error involving bitwise OR operations in Netatalk 3.1.4 through 4.4.2 allows a remote authenticated attacker to inject OS commands and execute arbitrary code.","modified":"2026-06-09T13:00:26.440530743Z","published":"2026-05-21T08:16:00Z","related":["USN-8395-1"],"upstream":["CVE-2026-44055"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-44055"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-44055"},{"type":"REPORT","url":"https://netatalk.io/security/CVE-2026-44055"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8395-1"}],"affected":[{"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_version":"4.2.3~ds-1","binary_name":"a2boot"},{"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_name":"netatalk","binary_version":"4.2.3~ds-1"},{"binary_name":"netatalk-tests","binary_version":"4.2.3~ds-1"},{"binary_version":"4.2.3~ds-1","binary_name":"netatalk-tools"},{"binary_name":"papd","binary_version":"4.2.3~ds-1"},{"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-2026-44055.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_name":"a2boot","binary_version":"4.2.3~ds-2.1ubuntu0.1"},{"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_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_name":"papd","binary_version":"4.2.3~ds-2.1ubuntu0.1"},{"binary_name":"timelord","binary_version":"4.2.3~ds-2.1ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44055.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}