{"id":"CVE-2026-110875","aliases":["DEBIAN-CVE-2026-110875","EUVD-2026-102350","GHSA-jrh8-g7qr-96vg","UBUNTU-CVE-2026-110875"],"status":"published","title":"AdPlug through 2.4 Heap Buffer Overflow via CksmPlayer::update in ksm.cpp","description":"AdPlug through 2.4 contains a heap-based buffer overflow in CksmPlayer::update() in src/ksm.cpp that writes past the fixed databuf[2048] array without bounds checking. Attackers can supply a crafted .ksm module whose notes share one time slot to overflow the heap player object, causing memory corruption and denial of service.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00141,"percentile":0.03509,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-10-15T18:57:17Z","modified":"2026-10-28T17:50:34Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"adplug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.3+dfsg-2","2.3.3+dfsg-2.1","2.4+dfsg-1","2.4+dfsg-2"]},{"source":"osv","ecosystem":"Debian:13","package":"adplug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.3+dfsg-2","2.3.3+dfsg-2.1","2.4+dfsg-1","2.4+dfsg-2"]},{"source":"osv","ecosystem":"Debian:14","package":"adplug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.3+dfsg-2","2.3.3+dfsg-2.1","2.4+dfsg-1","2.4+dfsg-2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"adplug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.1+dfsg3-0.2ubuntu2","2.2.1+dfsg3-0.3","2.2.1+dfsg3-1~build0.16.04.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"adplug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.1+dfsg3-0.4","2.2.1+dfsg3-1~build0.18.04.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"adplug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.1+dfsg3-1","2.3.1+dfsg-2","2.3.1+dfsg-2build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"adplug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.3+dfsg-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"adplug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.3+dfsg-2","2.3.3+dfsg-2build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"adplug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4+dfsg-2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"adplug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.3+dfsg-2build1","2.3.3+dfsg-2.1","2.4+dfsg-2"]}],"products":[{"vendor":"adplug","product":"adplug"}],"references":[{"url":"https://hackmd.io/@haind-pwn/adplug-ksm-note-loop-databuf-oob-write","tags":["technical-description","exploit","article","report"]},{"url":"https://github.com/adplug/adplug/blob/e491e382479ed2246f124c96c70d94561dce59b9/src/ksm.cpp#L99-L229","tags":["technical-description","article","report"]},{"url":"https://github.com/adplug/adplug/issues/292","tags":["issue-tracking","report"]},{"url":"https://github.com/adplug/adplug/pull/295","tags":["issue-tracking","patch","fix","report"]},{"url":"https://github.com/adplug/adplug","tags":["product","package","report"]},{"url":"https://www.vulncheck.com/advisories/adplug-through-2.4-heap-buffer-overflow-via-cksmplayer-update-in-ksm-cpp","tags":["third-party-advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110875","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-jrh8-g7qr-96vg"},{"url":"https://github.com","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110875.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-110875","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-110875","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-110875","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-110875","title":"AdPlug through 2.4 Heap Buffer Overflow via CksmPlayer::update in ksm.cpp","description":"AdPlug through 2.4 contains a heap-based buffer overflow in CksmPlayer::update() in src/ksm.cpp that writes past the fixed databuf[2048] array without bounds checking. Attackers can supply a crafted .ksm module whose notes share one time slot to overflow the heap player object, causing memory corruption and denial of service.","status":"published","published":"2026-10-15T18:57:17.94Z","modified":"2026-10-26T15:03:52.332Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T13:34:26.24368Z"}],"euvd":[{"id":"EUVD-2026-102350","description":"AdPlug through 2.4 contains a heap-based buffer overflow in CksmPlayer::update() in src/ksm.cpp that writes past the fixed databuf[2048] array without bounds checking. Attackers can supply a crafted .ksm module whose notes share one time slot to overflow the heap player object, causing memory corruption and denial of service.","status":"published","published":"2026-10-15T18:57:17Z","modified":"2026-10-26T15:03:52Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:59:29.561971Z"}],"ghsa":[{"id":"GHSA-jrh8-g7qr-96vg","title":"AdPlug through 2.4 contains a heap-based buffer overflow in CksmPlayer::update() in src/ksm.cpp...","description":"AdPlug through 2.4 contains a heap-based buffer overflow in CksmPlayer::update() in src/ksm.cpp that writes past the fixed databuf[2048] array without bounds checking. Attackers can supply a crafted .ksm module whose notes share one time slot to overflow the heap player object, causing memory corruption and denial of service.","status":"published","published":"2026-10-15T21:36:02Z","modified":"2026-10-15T21:36:06Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/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":"medium"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:13:49.297576Z"}],"nvd":[{"id":"CVE-2026-110875","description":"AdPlug through 2.4 contains a heap-based buffer overflow in CksmPlayer::update() in src/ksm.cpp that writes past the fixed databuf[2048] array without bounds checking. Attackers can supply a crafted .ksm module whose notes share one time slot to overflow the heap player object, causing memory corruption and denial of service.","status":"published","published":"2026-10-15T19:17:24.53Z","modified":"2026-10-26T16:17:12.11Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/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":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:12:59.751798Z"}],"osv":[{"id":"CVE-2026-110875","title":"AdPlug through 2.4 Heap Buffer Overflow via CksmPlayer::update in ksm.cpp","description":"AdPlug through 2.4 contains a heap-based buffer overflow in CksmPlayer::update() in src/ksm.cpp that writes past the fixed databuf[2048] array without bounds checking. Attackers can supply a crafted .ksm module whose notes share one time slot to overflow the heap player object, causing memory corruption and denial of service.","status":"published","published":"2026-10-15T18:57:17.94Z","modified":"2026-10-28T02:30:34.563338078Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:44:55.61515Z"},{"id":"DEBIAN-CVE-2026-110875","description":"AdPlug through 2.4 contains a heap-based buffer overflow in CksmPlayer::update() in src/ksm.cpp that writes past the fixed databuf[2048] array without bounds checking. Attackers can supply a crafted .ksm module whose notes share one time slot to overflow the heap player object, causing memory corruption and denial of service.","status":"published","published":"2026-10-15T19:17:24.53Z","modified":"2026-10-27T10:00:41.90809278Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/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":"medium"}],"updated_at":"2026-11-02T15:45:49.824149Z"},{"id":"UBUNTU-CVE-2026-110875","description":"AdPlug through 2.4 contains a heap-based buffer overflow in CksmPlayer::update() in src/ksm.cpp that writes past the fixed databuf[2048] array without bounds checking. Attackers can supply a crafted .ksm module whose notes share one time slot to overflow the heap player object, causing memory corruption and denial of service.","status":"published","published":"2026-10-15T19:17:00Z","modified":"2026-10-28T17:50:34Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H","level":"medium"},{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:55:59.591851Z"}]}}