{"id":"CVE-2017-8816","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-8816","generatedAt":"2026-10-29T01:42:17.183Z","title":"The NTLM authentication feature in curl and libcurl before 7.57.0 on 32-bit platforms allows attackers to cause a denial of service (integer overflow and resultant buffer overflow, and application crash) or possibly have unspecified other impact via…","description":"The NTLM authentication feature in curl and libcurl before 7.57.0 on 32-bit platforms allows attackers to cause a denial of service (integer overflow and resultant buffer overflow, and application crash) or possibly have unspecified other impact via vectors involving long user and password fields.","published":"2017-11-29T18:29:00.000Z","lastModified":"2026-06-17T01:27:01.000Z","status":"Modified","sourceIdentifier":"security@debian.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-190"],"affected":["haxx/curl","haxx/libcurl","debian/debian linux"],"epss":{"score":0.08523,"percentile":0.95019,"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 (8.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://security.cucumberlinux.com/security/details.php?id=161","tags":["Third Party Advisory"],"source":"security@debian.org"},{"url":"http://www.securityfocus.com/bid/101998","tags":["Third Party Advisory","VDB Entry"],"source":"security@debian.org"},{"url":"http://www.securitytracker.com/id/1039896","tags":["Third Party Advisory","VDB Entry"],"source":"security@debian.org"},{"url":"http://www.securitytracker.com/id/1040608","source":"security@debian.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:3558","source":"security@debian.org"},{"url":"https://curl.haxx.se/docs/adv_2017-12e7.html","tags":["Mitigation","Vendor Advisory"],"source":"security@debian.org"},{"url":"https://security.gentoo.org/glsa/201712-04","tags":["Third Party Advisory"],"source":"security@debian.org"},{"url":"https://www.debian.org/security/2017/dsa-4051","tags":["Third Party Advisory"],"source":"security@debian.org"},{"url":"http://security.cucumberlinux.com/security/details.php?id=161","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/101998","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1039896","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1040608","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:3558","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://curl.haxx.se/docs/adv_2017-12e7.html","tags":["Mitigation","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201712-04","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2017/dsa-4051","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-8816","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."}