{"id":"CVE-2015-3249","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-3249","generatedAt":"2026-10-27T22:05:30.395Z","title":"The HTTP/2 experimental feature in Apache Traffic Server 5.3.x before 5.3.1 allows remote attackers to cause a denial of service (out-of-bounds access and daemon crash) or possibly execute arbitrary code via vectors related to the (1) frame_handlers…","description":"The HTTP/2 experimental feature in Apache Traffic Server 5.3.x before 5.3.1 allows remote attackers to cause a denial of service (out-of-bounds access and daemon crash) or possibly execute arbitrary code via vectors related to the (1) frame_handlers array or (2) set_dynamic_table_size function.","published":"2017-10-30T14:29:01.000Z","lastModified":"2026-06-17T00:25:37.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["apache/traffic server"],"epss":{"score":0.05438,"percentile":0.92665,"date":"2026-10-26","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 (5.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://mail-archives.us.apache.org/mod_mbox/www-announce/201507.mbox/%3CCABF6JR37mWzDmXDqRQwRUXiojBZrhidndnsY1ZgmcZv-o7-a+g%40mail.gmail.com%3E","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/101631","tags":["Third Party Advisory","VDB Entry"],"source":"secalert@redhat.com"},{"url":"https://yahoo-security.tumblr.com/post/122883273670/apache-traffic-server-http2-fuzzing","tags":["Issue Tracking","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://mail-archives.us.apache.org/mod_mbox/www-announce/201507.mbox/%3CCABF6JR37mWzDmXDqRQwRUXiojBZrhidndnsY1ZgmcZv-o7-a+g%40mail.gmail.com%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/101631","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://yahoo-security.tumblr.com/post/122883273670/apache-traffic-server-http2-fuzzing","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-3249","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."}