{"id":"DEBIAN-CVE-2026-7836","details":"An incorrect calculation in the hextoint macro in Netatalk 2.0.0 through 4.4.2 due to improper uppercase character handling allows a remote authenticated attacker to cause limited data modification via crafted hexadecimal input.","modified":"2026-09-14T17:03:34.044181227Z","published":"2026-05-21T08:16:23.403Z","upstream":["CVE-2026-7836"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-7836"}],"affected":[{"package":{"name":"netatalk","ecosystem":"Debian:13","purl":"pkg:deb/debian/netatalk?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2.3~ds-1","4.2.3~ds-1+deb13u1","4.2.3~ds-1+deb13u2","4.2.3~ds-2","4.2.3~ds-2.1","4.4.1~ds-1","4.4.2~ds-1","4.4.3~ds-1","4.5.0~ds-1","4.5.0~ds-2","4.5.0~ds-3","4.5.1~ds-1"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7836.json"}},{"package":{"name":"netatalk","ecosystem":"Debian:14","purl":"pkg:deb/debian/netatalk?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.0~ds-1"}]}],"versions":["4.2.3~ds-1","4.2.3~ds-2","4.2.3~ds-2.1","4.4.1~ds-1","4.4.2~ds-1","4.4.3~ds-1"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7836.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N"}]}