{"id":"CVE-2021-31439","aliases":["ALPINE-CVE-2021-31439","DEBIAN-CVE-2021-31439","DLA-3426-1","DSA-5503-1","EUVD-2021-18339","GHSA-8292-4xc6-r7cv","MGASA-2022-0196","MGASA-2023-0027","SUSE-SU-2022:1184-1","UBUNTU-CVE-2021-31439","USN-6146-1"],"status":"published","title":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected...","description":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.02331,"percentile":0.83756,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-122","CWE-787"],"published":"2021-05-21T00:00:00Z","modified":"2026-11-03T06:32:33Z","fixes":[{"ecosystem":"Alpine:v3.16","package":"netatalk","fixed_in":["3.1.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"netatalk","fixed_in":["3.1.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"netatalk","fixed_in":["3.1.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"netatalk","fixed_in":["3.1.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"netatalk","fixed_in":["3.1.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"netatalk","fixed_in":["3.1.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"netatalk","fixed_in":["3.1.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"netatalk","fixed_in":["3.1.13-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"netatalk","fixed_in":["3.1.13-r0"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"netatalk","fixed_in":["3.1.13~ds-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"netatalk","fixed_in":["3.1.13~ds-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"netatalk","fixed_in":["3.1.12~ds-4ubuntu0.20.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"netatalk","fixed_in":["3.1.12~ds-9ubuntu0.22.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.16","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.13-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.13-r0"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.13~ds-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.13~ds-1"}]}]},{"source":"osv","ecosystem":"Debian:10","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.12~ds-3+deb10u1"}]}],"versions":["3.1.12~ds-3"],"bundled":9},{"source":"osv","ecosystem":"Debian:11","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.12~ds-8+deb11u1"}]}],"versions":["3.1.12~ds-8"],"bundled":10},{"source":"osv","ecosystem":"Mageia:8","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.12-7.1.mga8"}]}],"bundled":3},{"source":"osv","ecosystem":"Mageia:8","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.14-1.1.mga8"}]}],"bundled":8},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP5","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-3.8.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Workstation Extension 12 SP5","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-3.8.1"}]}],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.12~ds-4ubuntu0.20.04.1"}]}],"versions":["3.1.12~ds-3","3.1.12~ds-4"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.12~ds-9ubuntu0.22.04.1"}]}],"versions":["3.1.12~ds-9","3.1.12~ds-9build1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.2-1ubuntu2.2+esm1"}]}],"versions":["2.2.2-1ubuntu1","2.2.2-1ubuntu2","2.2.2-1ubuntu2.2"],"bundled":9},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.5-1ubuntu0.2+esm1"}]}],"versions":["2.2.5-1","2.2.5-1ubuntu0.2"],"bundled":9},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.6-1ubuntu0.18.04.2+esm1"}]}],"versions":["2.2.6-1","2.2.6-1ubuntu0.18.04.2"],"bundled":9},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.12~ds-4ubuntu0.20.04.1"}]}],"versions":["3.1.12~ds-3","3.1.12~ds-4"],"bundled":9},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"netatalk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.12~ds-9ubuntu0.22.04.1"}]}],"versions":["3.1.12~ds-9","3.1.12~ds-9build1"],"bundled":9}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"netatalk","product":"netatalk"},{"vendor":"synology","product":"diskstation manager"},{"vendor":"synology","product":"diskstation_manager"}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-492/","tags":["x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://www.synology.com/zh-hk/security/advisory/Synology_SA_20_26","tags":["x_transferred","Vendor Advisory","advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00018.html","tags":["mailing-list","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://www.debian.org/security/2023/dsa-5503","tags":["vendor-advisory","x_transferred","Third Party Advisory","advisory"]},{"url":"https://security.gentoo.org/glsa/202311-02","tags":["vendor-advisory","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31439"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-492"},{"url":"https://github.com/advisories/GHSA-8292-4xc6-r7cv"},{"url":"https://security.alpinelinux.org/vuln/CVE-2021-31439","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-31439","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2022-0196.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=30287","tags":["report"]},{"url":"https://lists.suse.com/pipermail/sle-security-updates/2022-April/010700.html","tags":["web"]},{"url":"https://advisories.mageia.org/MGASA-2023-0027.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=31255","tags":["report"]},{"url":"https://lists.suse.com/pipermail/sle-security-updates/2022-December/013205.html","tags":["web"]},{"url":"https://github.com/Netatalk/Netatalk/commit/895cecbeeae655b2793df6fcbf9df1c1bfbe285d","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20221184-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1197352","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-31439","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-23121","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-23125","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2021-31439","tags":["report"]},{"url":"https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-6146-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-31439","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-0194","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-23121","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-23122","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-23123","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-23124","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-23125","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-43634","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-45188","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-31439","description":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.","status":"published","published":"2021-05-21T00:00:00Z","modified":"2024-08-03T22:55:53.784Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:33:05.665371Z"}],"euvd":[{"id":"EUVD-2021-18339","description":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.","status":"published","published":"2021-05-21T00:00:00Z","modified":"2024-08-03T22:55:53Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:24:39.559154Z"}],"ghsa":[{"id":"GHSA-8292-4xc6-r7cv","title":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected...","description":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.","status":"published","published":"2022-05-24T19:02:57Z","modified":"2025-01-14T21:32:49Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:59:31.794566Z"}],"nvd":[{"id":"CVE-2021-31439","description":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.","status":"published","published":"2021-05-21T15:15:07.707Z","modified":"2026-06-17T03:51:46.81Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":5.8,"vector":"AV:A/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:06:53.987491Z"}],"osv":[{"id":"ALPINE-CVE-2021-31439","description":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.","status":"published","published":"2021-05-21T15:15:07.707Z","modified":"2026-11-03T06:32:33.257258984Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T07:17:41.158523Z"},{"id":"CVE-2021-31439","description":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.","status":"published","published":"2021-05-21T15:15:07.707Z","modified":"2026-10-24T10:30:17.629652294Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:19.483607Z"},{"id":"DEBIAN-CVE-2021-31439","description":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.","status":"published","published":"2021-05-21T15:15:07.707Z","modified":"2026-10-23T18:00:19.157338649Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:34.94143Z"},{"id":"UBUNTU-CVE-2021-31439","description":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.","status":"published","published":"2021-05-21T15:15:00Z","modified":"2026-02-04T04:04:42.43359Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:27.332852Z"},{"id":"DLA-3426-1","title":"netatalk - security update","status":"published","published":"2023-05-17T00:00:00Z","modified":"2026-03-09T01:21:23.704219Z","updated_at":"2026-11-02T15:46:11.734021Z"},{"id":"DSA-5503-1","title":"netatalk - security update","status":"published","published":"2023-09-20T00:00:00Z","modified":"2026-03-09T02:08:59.516497Z","updated_at":"2026-11-02T15:46:17.892347Z"},{"id":"MGASA-2022-0196","title":"Updated netatalk packages fix security vulnerability","description":"Remote arbitrary code execution related to dsi_stream_receive().\n(CVE-2021-31439)\nRemote arbitrary code execution related to parse_entries().\n(CVE-2022-23121)\nRemote arbitrary code execution related to copyapplfile().\n(CVE-2022-23125)\n","status":"published","published":"2022-05-22T11:26:36Z","modified":"2026-04-16T04:44:18.140992887Z","updated_at":"2026-11-02T15:49:41.849028Z"},{"id":"MGASA-2023-0027","title":"Updated netatalk packages fix security vulnerability","description":"Heap overflow leading to arbitrary code execution. (CVE-2021-31439)\nBuffer overflow leading to remote code execution (CVE-2022-0194)\nImproper length validation leading to remote code execution\n(CVE-2022-23121)\nBuffer overflow leading to remote code execution (CVE-2022-23122)\nOut-of-bounds read leading to information disclosure (CVE-2022-23123)\nOut-of-bounds read leading to information disclosure (CVE-2022-23124)\nImproper length validation leading to remote code execution\n(CVE-2022-23125)\nHeap-based buffer overflow in afp_getappl resulting in code execution via\na crafted .appl file (CVE-2022-45188)\n","status":"published","published":"2023-02-07T00:06:39Z","modified":"2026-04-16T04:44:47.765941804Z","updated_at":"2026-11-02T15:49:42.263076Z"},{"id":"SUSE-SU-2022:1184-1","title":"Security update for netatalk","description":"This update for netatalk fixes the following issues:\n  \n- CVE-2022-23125: Fixed remote arbitrary code execution related to copyapplfile().\n- CVE-2022-23121: Fixed remote arbitrary code execution related to parse_entries().\n- CVE-2021-31439: Fixed remote arbitrary code execution related to dsi_stream_receive().\n","status":"published","published":"2022-04-13T15:00:22Z","modified":"2026-02-04T04:15:07.222251Z","updated_at":"2026-11-02T15:53:50.513981Z"},{"id":"USN-6146-1","title":"netatalk vulnerabilities","description":"It was discovered that Netatalk did not properly validate the length of\nuser-supplied data in the DSI structures. A remote attacker could possibly\nuse this issue to execute arbitrary code with the privileges of the user\ninvoking the programs. This issue only affected Ubuntu 20.04 LTS and Ubuntu\n22.04 LTS. (CVE-2021-31439)\n\nIt was discovered that Netatalk did not properly validate the length of\nuser-supplied data in the ad_addcomment function. A remote attacker could\npossibly use this issue to execute arbitrary code with root privileges.\nThis issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.\n(CVE-2022-0194)\n\nIt was discovered that Netatalk did not properly handle errors when parsing\nAppleDouble entries. A remote attacker could possibly use this issue to\nexecute arbitrary code with root privileges. This issue only affected\nUbuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and\nUbuntu 22.04 LTS. (CVE-2022-23121)\n\nIt was discovered that Netatalk did not properly validate the length of\nuser-supplied data in the setfilparams function. A remote attacker could\npossibly use this issue to execute arbitrary code with root privileges.\nThis issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.\n(CVE-2022-23122)\n\nIt was discovered that Netatalk did not properly validate the length of\nuser-supplied data in the getdirparams function. A remote attacker could\npossibly use this issue to execute arbitrary code with root privileges.\nThis issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04\nLTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-23123)\n\nIt was discovered that Netatalk did not properly validate the length of\nuser-supplied data in the get_finderinfo function. A remote attacker could\npossibly use this issue to execute arbitrary code with root privileges.\nThis issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.\n(CVE-2022-23124)\n\nIt was discovered that Netatalk did not properly validate the length of\nuser-supplied data in the copyapplfile function. A remote attacker could\npossibly use this issue to execute arbitrary code with root privileges.\nThis issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04\nLTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-23125)\n\nIt was discovered that Netatalk did not properly validate the length of\nuser-supplied data in the dsi_writeinit function. A remote attacker could\npossibly use this issue to execute arbitrary code with root privileges.\nThis issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu\n22.10. (CVE-2022-43634)\n\nIt was discovered that Netatalk did not properly manage memory under\ncertain circumstances. If a user were tricked into opening a specially\ncrafted .appl file, a remote attacker could possibly use this issue to\nexecute arbitrary code. (CVE-2022-45188)\n","status":"published","published":"2023-06-08T09:57:44Z","modified":"2026-06-29T13:50:53.002480571Z","updated_at":"2026-11-02T16:58:16.738762Z"}]}}