{"id":"CVE-2019-5436","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-5436","generatedAt":"2026-10-27T22:24:07.784Z","title":"A heap buffer overflow in the TFTP receiving code allows for DoS or arbitrary code execution in libcurl versions 7.19.4 through 7.64.1.","description":"A heap buffer overflow in the TFTP receiving code allows for DoS or arbitrary code execution in libcurl versions 7.19.4 through 7.64.1.","published":"2019-05-28T19:29:06.000Z","lastModified":"2026-10-14T07:16:55.000Z","status":"Modified","sourceIdentifier":"support@hackerone.com","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-122","CWE-787"],"affected":["haxx/libcurl","opensuse/leap","fedoraproject/fedora","debian/debian linux","f5/traffix signaling delivery controller","netapp/hci management node","netapp/solidfire","netapp/steelstore cloud integrated storage","oracle/enterprise manager ops center","oracle/mysql server","oracle/oss support tools"],"epss":{"score":0.49739,"percentile":0.98887,"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":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 49.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00008.html","tags":["Mailing List","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00017.html","tags":["Mailing List","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"http://www.openwall.com/lists/oss-security/2019/09/11/6","tags":["Mailing List","Patch","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://curl.haxx.se/docs/CVE-2019-5436.html","tags":["Exploit","Patch","Vendor Advisory"],"source":"support@hackerone.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SMG3V4VTX2SE3EW3HQTN3DDLQBTORQC2/","source":"support@hackerone.com"},{"url":"https://seclists.org/bugtraq/2020/Feb/36","tags":["Mailing List","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://security.gentoo.org/glsa/202003-29","tags":["Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://security.netapp.com/advisory/ntap-20190606-0004/","tags":["Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://support.f5.com/csp/article/K55133295","tags":["Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://support.f5.com/csp/article/K55133295?utm_source=f5support&amp%3Butm_medium=RSS","source":"support@hackerone.com"},{"url":"https://www.debian.org/security/2020/dsa-4633","tags":["Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://www.oracle.com/security-alerts/cpuapr2020.html","tags":["Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://www.oracle.com/security-alerts/cpuoct2020.html","source":"support@hackerone.com"},{"url":"https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html","tags":["Patch","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00008.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00017.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2019/09/11/6","tags":["Mailing List","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://curl.haxx.se/docs/CVE-2019-5436.html","tags":["Exploit","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SMG3V4VTX2SE3EW3HQTN3DDLQBTORQC2/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://seclists.org/bugtraq/2020/Feb/36","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202003-29","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20190606-0004/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.f5.com/csp/article/K55133295","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.f5.com/csp/article/K55133295?utm_source=f5support&amp%3Butm_medium=RSS","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2020/dsa-4633","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpuapr2020.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpuoct2020.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-5436","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."}