{"id":"CVE-2016-9424","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-9424","generatedAt":"2026-10-28T20:08:38.846Z","title":"An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. w3m doesn't properly validate the value of tag attribute, which allows remote attackers to cause a denial of service (heap buffer overflow crash) and possibly execute arbitrary…","description":"An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. w3m doesn't properly validate the value of tag attribute, which allows remote attackers to cause a denial of service (heap buffer overflow crash) and possibly execute arbitrary code via a crafted HTML page.","published":"2016-12-12T02:59:13.000Z","lastModified":"2026-06-17T00:56:01.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["tats/w3m"],"epss":{"score":0.03181,"percentile":0.88,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.openwall.com/lists/oss-security/2016/11/18/3","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/94407","source":"cve@mitre.org"},{"url":"https://github.com/tats/w3m/blob/master/ChangeLog","tags":["Issue Tracking","Patch"],"source":"cve@mitre.org"},{"url":"https://github.com/tats/w3m/issues/12","tags":["Issue Tracking","Patch"],"source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201701-08","source":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2016/11/18/3","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/94407","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/tats/w3m/blob/master/ChangeLog","tags":["Issue Tracking","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/tats/w3m/issues/12","tags":["Issue Tracking","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201701-08","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-9424","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}