{"id":"CVE-2018-0500","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-0500","generatedAt":"2026-10-29T00:34:30.193Z","title":"Curl_smtp_escape_eob in lib/smtp.c in curl 7.54.1 to and including curl 7.60.0 has a heap-based buffer overflow that might be exploitable by an attacker who can control the data that curl transmits over SMTP with certain settings (i.e., use of a…","description":"Curl_smtp_escape_eob in lib/smtp.c in curl 7.54.1 to and including curl 7.60.0 has a heap-based buffer overflow that might be exploitable by an attacker who can control the data that curl transmits over SMTP with certain settings (i.e., use of a nonstandard --limit-rate argument or CURLOPT_BUFFERSIZE value).","published":"2018-07-11T13:29:00.000Z","lastModified":"2026-06-17T01:31:00.000Z","status":"Modified","sourceIdentifier":"security@debian.org","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-787"],"affected":["haxx/curl","canonical/ubuntu linux"],"epss":{"score":0.06352,"percentile":0.93604,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.0517,"percentile":0.92099},{"date":"2026-09-22","score":0.06352,"percentile":0.93329}]},"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 (6.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securitytracker.com/id/1041280","tags":["Third Party Advisory","VDB Entry"],"source":"security@debian.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:2486","tags":["Third Party Advisory"],"source":"security@debian.org"},{"url":"https://curl.haxx.se/docs/adv_2018-70a2.html","tags":["Exploit","Patch","Vendor Advisory"],"source":"security@debian.org"},{"url":"https://github.com/curl/curl/commit/ba1dbd78e5f1ed67c1b8d37ac89d90e5e330b628","tags":["Patch","Third Party Advisory"],"source":"security@debian.org"},{"url":"https://security.gentoo.org/glsa/201807-04","tags":["Third Party Advisory"],"source":"security@debian.org"},{"url":"https://usn.ubuntu.com/3710-1/","tags":["Third Party Advisory"],"source":"security@debian.org"},{"url":"http://www.securitytracker.com/id/1041280","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:2486","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://curl.haxx.se/docs/adv_2018-70a2.html","tags":["Exploit","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/curl/curl/commit/ba1dbd78e5f1ed67c1b8d37ac89d90e5e330b628","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201807-04","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/3710-1/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-0500","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."}