{"id":"CVE-2026-105839","aliases":["AZL-106658","DEBIAN-CVE-2026-105839","EUVD-2026-93391","GHSA-w386-36c3-r8wv","UBUNTU-CVE-2026-105839","openSUSE-SU-2026:22192-1"],"status":"published","title":"libmikmod before 3.3.14 Heap Buffer Overflow via OKT Loader OKT_doPBOD","description":"libmikmod before 3.3.14 contains an integer overflow in the Oktalyzer loader OKT_doPBOD() that allows attackers to cause heap buffer overflow via crafted track counts. Attackers can supply an OKT module whose SLEN chunk wraps the 16-bit numtrk value, causing PBOD writes past allocated track pointers for crashes or code execution.","severity":{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00146,"percentile":0.03901,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-190"],"published":"2026-10-06T13:35:45Z","modified":"2026-11-05T05:36:30Z","fixes":[{"ecosystem":"Debian:14","package":"libmikmod","fixed_in":["3.3.14-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"libmikmod","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.3.11.1-14"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"libmikmod","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.11.1-7","3.3.11.1-8","3.3.12-1","3.3.13-1","3.3.14-1"]},{"source":"osv","ecosystem":"Debian:13","package":"libmikmod","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.13-1","3.3.14-1"]},{"source":"osv","ecosystem":"Debian:14","package":"libmikmod","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.14-1"}]}],"versions":["3.3.13-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libmikmod","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.7-1","3.3.8-1","3.3.8-2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"timidity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.13.2-40.2build1","2.13.2-40.3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libmikmod","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.11.1-1","3.3.11.1-3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"timidity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.13.2-40.5","2.13.2-41"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libmikmod","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.11.1-4"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"timidity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.14.0-8build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libmikmod","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.11.1-6"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"timidity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.14.0-8build1","2.14.0-8ubuntu1","2.14.0-8ubuntu1.22.04.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libmikmod","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.11.1-7","3.3.11.1-7build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"timidity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.14.0-8.1ubuntu1","2.14.0-8.1ubuntu4","2.14.0-8.2ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libmikmod","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.13-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"timidity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.14.0-8.3ubuntu1","2.14.0-8.4ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libmikmod","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.13-1","3.3.13-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"timidity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.14.0-8.3ubuntu1"]},{"source":"osv","ecosystem":"openSUSE:Leap 16.0","package":"libmikmod","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.11.1-bp160.2.1"}]}],"bundled":3}],"products":[{"vendor":"sezero","product":"libmikmod"}],"references":[{"url":"https://github.com/sezero/mikmod/commit/097b69281fad6ba38a553569e6f55dbfdd71dc2a","tags":["patch","fix"]},{"url":"https://github.com/sezero/mikmod/blob/libmikmod-3.3.13/libmikmod/loaders/load_okt.c#L286","tags":["technical-description","article"]},{"url":"https://github.com/sezero/mikmod/blob/libmikmod-3.3.14/libmikmod/NEWS","tags":["release-notes","advisory"]},{"url":"https://github.com/sezero/mikmod","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/libmikmod-before-3.3.14-heap-buffer-overflow-via-okt-loader-okt-dopbod","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105839","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-w386-36c3-r8wv"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105839.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-105839","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-105839","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-105839","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1284366","tags":["report"]},{"url":"https://bugzilla.suse.com/1284367","tags":["report"]},{"url":"https://bugzilla.suse.com/1284368","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-105837","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-105838","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-105839","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-105839","title":"libmikmod before 3.3.14 Heap Buffer Overflow via OKT Loader OKT_doPBOD","description":"libmikmod before 3.3.14 contains an integer overflow in the Oktalyzer loader OKT_doPBOD() that allows attackers to cause heap buffer overflow via crafted track counts. Attackers can supply an OKT module whose SLEN chunk wraps the 16-bit numtrk value, causing PBOD writes past allocated track pointers for crashes or code execution.","status":"published","published":"2026-10-06T13:35:45.261Z","modified":"2026-10-06T16:12:22.301Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:19:56.755658Z"}],"euvd":[{"id":"EUVD-2026-93391","description":"libmikmod before 3.3.14 contains an integer overflow in the Oktalyzer loader OKT_doPBOD() that allows attackers to cause heap buffer overflow via crafted track counts. Attackers can supply an OKT module whose SLEN chunk wraps the 16-bit numtrk value, causing PBOD writes past allocated track pointers for crashes or code execution.","status":"published","published":"2026-10-06T13:35:45Z","modified":"2026-10-06T16:12:22Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:27:37.480805Z"}],"ghsa":[{"id":"GHSA-w386-36c3-r8wv","title":"libmikmod before 3.3.14 contains an integer overflow in the Oktalyzer loader OKT_doPBOD() that...","description":"libmikmod before 3.3.14 contains an integer overflow in the Oktalyzer loader OKT_doPBOD() that allows attackers to cause heap buffer overflow via crafted track counts. Attackers can supply an OKT module whose SLEN chunk wraps the 16-bit numtrk value, causing PBOD writes past allocated track pointers for crashes or code execution.","status":"published","published":"2026-10-06T15:31:58Z","modified":"2026-10-06T15:31:58Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T15:12:50.930323Z"}],"nvd":[{"id":"CVE-2026-105839","description":"libmikmod before 3.3.14 contains an integer overflow in the Oktalyzer loader OKT_doPBOD() that allows attackers to cause heap buffer overflow via crafted track counts. Attackers can supply an OKT module whose SLEN chunk wraps the 16-bit numtrk value, causing PBOD writes past allocated track pointers for crashes or code execution.","status":"published","published":"2026-10-06T14:17:41.133Z","modified":"2026-10-06T17:17:19.783Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:12:54.486849Z"}],"osv":[{"id":"CVE-2026-105839","title":"libmikmod before 3.3.14 Heap Buffer Overflow via OKT Loader OKT_doPBOD","description":"libmikmod before 3.3.14 contains an integer overflow in the Oktalyzer loader OKT_doPBOD() that allows attackers to cause heap buffer overflow via crafted track counts. Attackers can supply an OKT module whose SLEN chunk wraps the 16-bit numtrk value, causing PBOD writes past allocated track pointers for crashes or code execution.","status":"published","published":"2026-10-06T13:35:45.261Z","modified":"2026-11-11T13:19:36.305099836Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-11T03:22:04.464623Z"},{"id":"DEBIAN-CVE-2026-105839","description":"libmikmod before 3.3.14 contains an integer overflow in the Oktalyzer loader OKT_doPBOD() that allows attackers to cause heap buffer overflow via crafted track counts. Attackers can supply an OKT module whose SLEN chunk wraps the 16-bit numtrk value, causing PBOD writes past allocated track pointers for crashes or code execution.","status":"published","published":"2026-10-06T14:17:41.133Z","modified":"2026-10-07T05:00:09.631182945Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"updated_at":"2026-11-02T15:45:48.903138Z"},{"id":"UBUNTU-CVE-2026-105839","description":"libmikmod before 3.3.14 contains an integer overflow in the Oktalyzer loader OKT_doPBOD() that allows attackers to cause heap buffer overflow via crafted track counts. Attackers can supply an OKT module whose SLEN chunk wraps the 16-bit numtrk value, causing PBOD writes past allocated track pointers for crashes or code execution.","status":"published","published":"2026-10-06T14:17:00Z","modified":"2026-10-17T12:59:47.465159523Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T16:55:59.130573Z"},{"id":"AZL-106658","title":"CVE-2026-105839 affecting package libmikmod 3.3.11.1-14","description":"libmikmod before 3.3.14 contains an integer overflow in the Oktalyzer loader OKT_doPBOD() that allows attackers to cause heap buffer overflow via crafted track counts. Attackers can supply an OKT module whose SLEN chunk wraps the 16-bit numtrk value, causing PBOD writes past allocated track pointers for crashes or code execution.","status":"published","published":"2026-10-06T14:17:41Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:17.969374Z"},{"id":"openSUSE-SU-2026:22192-1","title":"Security update for libmikmod","description":"This update for libmikmod fixes the following issues:\n\nChanges in libmikmod:\n\n- CVE-2026-105839: make sure that numtrk calculation fits into an UWORD (bsc#1284366)\n- CVE-2026-105838: bump itpat allocation to 256, matching allowed packlen limit (bsc#1284367)\n- CVE-2026-105837: make sure that numtrk calculation fits into an UWORD (bsc#1284368)\n","status":"published","published":"2026-10-26T15:05:42Z","modified":"2026-11-01T17:23:29.522884957Z","updated_at":"2026-11-02T16:58:42.426393Z"}]}}