{"id":"CVE-2026-44070","aliases":["ALPINE-CVE-2026-44070","DEBIAN-CVE-2026-44070","EUVD-2026-31217","GHSA-vmvv-qm72-v4fg","UBUNTU-CVE-2026-44070"],"status":"published","title":"Unbounded realloc in charset conversion","description":"An unbounded memory reallocation in the charset conversion code in Netatalk 2.0.0 through 4.4.2 allows a remote authenticated attacker to cause a minor denial of service via crafted character conversion requests.","severity":{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00318,"percentile":0.25089,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-770"],"published":"2026-05-21T07:35:02Z","modified":"2026-11-03T06:33:03Z","fixes":[{"ecosystem":"Alpine:v3.24","package":"netatalk","fixed_in":["4.5.0-r0"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"netatalk","fixed_in":["4.5.0~ds-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.24","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.0-r0"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"netatalk","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"]},{"source":"osv","ecosystem":"Debian:14","package":"netatalk","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"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"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","2.2.2-1ubuntu2.2+esm3","2.2.2-1ubuntu2.2+esm4"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.5-1","2.2.5-1ubuntu0.2","2.2.5-1ubuntu0.2+esm1","2.2.5-1ubuntu0.2+esm2","2.2.5-1ubuntu0.2+esm3","2.2.5-1ubuntu0.2+esm4"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"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","2.2.6-1ubuntu0.18.04.2+esm3","2.2.6-1ubuntu0.18.04.2+esm4"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"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","3.1.12~ds-4ubuntu0.20.04.4+esm1","3.1.12~ds-4ubuntu0.20.04.4+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"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","3.1.12~ds-9ubuntu0.22.04.4+esm1","3.1.12~ds-9ubuntu0.22.04.4+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"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","3.1.18~ds-1ubuntu0.1~esm2","3.1.18~ds-1ubuntu0.1~esm3"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.2~ds-4","4.2.1~ds-1","4.2.3~ds-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2.3~ds-2.1","4.4.3~ds-1","4.5.0~ds-3","4.5.1~ds-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2.3~ds-1","4.2.3~ds-2","4.2.3~ds-2.1","4.2.3~ds-2.1ubuntu0.1","4.2.3~ds-2.1ubuntu0.2"]}],"products":[{"vendor":"netatalk","product":"netatalk"}],"references":[{"url":"https://netatalk.io/security/CVE-2026-44070","tags":["vendor-advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44070"},{"url":"https://github.com/advisories/GHSA-vmvv-qm72-v4fg"},{"url":"https://security.alpinelinux.org/vuln/CVE-2026-44070","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-44070","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-44070","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-44070","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-44070","title":"Unbounded realloc in charset conversion","description":"An unbounded memory reallocation in the charset conversion code in Netatalk 2.0.0 through 4.4.2 allows a remote authenticated attacker to cause a minor denial of service via crafted character conversion requests.","status":"published","published":"2026-05-21T07:35:02.206Z","modified":"2026-05-21T12:51:34.849Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T13:43:00.288193Z"}],"euvd":[{"id":"EUVD-2026-31217","description":"An unbounded memory reallocation in the charset conversion code in Netatalk 2.0.0 through 4.4.2 allows a remote authenticated attacker to cause a minor denial of service via crafted character conversion requests.","status":"published","published":"2026-05-21T07:35:02Z","modified":"2026-05-21T12:51:34Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T18:21:13.357667Z"}],"ghsa":[{"id":"GHSA-vmvv-qm72-v4fg","title":"An unbounded memory reallocation in the charset conversion code in Netatalk 2.0.0 through 4.4.2...","description":"An unbounded memory reallocation in the charset conversion code in Netatalk 2.0.0 through 4.4.2 allows a remote authenticated attacker to cause a minor denial of service via crafted character conversion requests.","status":"published","published":"2026-05-21T09:32:11Z","modified":"2026-05-21T09:32:17Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:08:15.106873Z"}],"nvd":[{"id":"CVE-2026-44070","description":"An unbounded memory reallocation in the charset conversion code 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via crafted character conversion requests.","status":"published","published":"2026-05-21T08:16:00Z","modified":"2026-10-17T12:58:17.633510103Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T16:56:22.075798Z"}]}}