{"id":"CVE-2016-20037","aliases":["DEBIAN-CVE-2016-20037","EUVD-2016-10829","GHSA-h5rx-j6xv-4329","UBUNTU-CVE-2016-20037"],"status":"published","title":"xwpe 1.5.30a-2.1 Stack-based Buffer Overflow","description":"xwpe 1.5.30a-2.1 and prior contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying overly long input strings that exceed buffer boundaries. Attackers can craft malicious command-line arguments with 262 bytes of junk data followed by shellcode to overwrite the instruction pointer and achieve code execution or denial of service.","severity":{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00154,"percentile":0.04552,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-03-28T11:57:59Z","modified":"2026-10-17T12:52:55Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"xwpe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.30a-2.1","1.5.30a-2.1build1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"xwpe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.30a-2.1build1","1.5.30a-2.1build2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"xwpe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.30a-2.1build3"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"xwpe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.30a-3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"xwpe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.30a-3","1.5.30a-4","1.5.30a-4build1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"xwpe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.30a-4build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"xwpe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.30a-4build1","1.5.30a-4.1","1.6.3-1","1.6.6-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"xwpe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.30a-4build1"]}],"products":[{"vendor":"identicalsoftware","product":"xwpe"}],"references":[{"url":"https://www.exploit-db.com/exploits/39285","tags":["exploit","report"]},{"url":"http://www.identicalsoftware.com/xwpe","tags":["product","report"]},{"url":"https://www.vulncheck.com/advisories/xwpe-30a-stack-based-buffer-overflow","tags":["third-party-advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-20037"},{"url":"https://github.com/advisories/GHSA-h5rx-j6xv-4329"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-20037","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-20037","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-20037","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-20037","title":"xwpe 1.5.30a-2.1 Stack-based Buffer Overflow","description":"xwpe 1.5.30a-2.1 and prior contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying overly long input strings that exceed buffer boundaries. Attackers can craft malicious command-line arguments with 262 bytes of junk data followed by shellcode to overwrite the instruction pointer and achieve code execution or denial of service.","status":"published","published":"2026-03-28T11:57:59.881Z","modified":"2026-03-30T14:53:42.98Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:33:30.359814Z"}],"euvd":[{"id":"EUVD-2016-10829","description":"xwpe 1.5.30a-2.1 and prior contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying overly long input strings that exceed buffer boundaries. Attackers can craft malicious command-line arguments with 262 bytes of junk data followed by shellcode to overwrite the instruction pointer and achieve code execution or denial of service.","status":"published","published":"2026-03-28T11:57:59Z","modified":"2026-03-30T14:53:42Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:25:25.878486Z"}],"ghsa":[{"id":"GHSA-h5rx-j6xv-4329","title":"xwpe 1.5.30a-2.1 and prior contains a stack-based buffer overflow vulnerability that allows local...","description":"xwpe 1.5.30a-2.1 and prior contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying overly long input strings that exceed buffer boundaries. Attackers can craft malicious command-line arguments with 262 bytes of junk data followed by shellcode to overwrite the instruction pointer and achieve code execution or denial of service.","status":"published","published":"2026-03-28T12:30:29Z","modified":"2026-03-28T12:30:35Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/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":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:06:54.610516Z"}],"nvd":[{"id":"CVE-2016-20037","description":"xwpe 1.5.30a-2.1 and prior contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying overly long input strings that exceed buffer boundaries. Attackers can craft malicious command-line arguments with 262 bytes of junk data followed by shellcode to overwrite the instruction pointer and achieve code execution or denial of service.","status":"published","published":"2026-03-28T12:15:58.5Z","modified":"2026-06-17T00:43:08.23Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/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":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:03:40.811555Z"}],"osv":[{"id":"DEBIAN-CVE-2016-20037","description":"xwpe 1.5.30a-2.1 and prior contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying overly long input strings that exceed buffer boundaries. Attackers can craft malicious command-line arguments with 262 bytes of junk data followed by shellcode to overwrite the instruction pointer and achieve code execution or denial of service.","status":"withdrawn","published":"2026-03-28T12:15:58.5Z","modified":"2026-04-25T14:01:41.781986Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:27.323751Z"},{"id":"UBUNTU-CVE-2016-20037","description":"xwpe 1.5.30a-2.1 and prior contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying overly long input strings that exceed buffer boundaries. Attackers can craft malicious command-line arguments with 262 bytes of junk data followed by shellcode to overwrite the instruction pointer and achieve code execution or denial of service.","status":"published","published":"2026-03-28T12:15:00Z","modified":"2026-10-17T12:52:55.16421548Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T15:54:11.492576Z"}]}}