{"id":"CVE-2019-5436","state":"PUBLISHED","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.","publishedAt":"2019-05-28T18:47:32.000Z","updatedAt":"2026-10-14T06:35:41.896Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"hackerone","products":["curl curl"],"affected":[{"vendor":"curl","product":"curl","versions":[{"version":"Fixed in 7.65.0","status":"affected"}]}],"references":["http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00008.html","http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00017.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SMG3V4VTX2SE3EW3HQTN3DDLQBTORQC2/","http://www.openwall.com/lists/oss-security/2019/09/11/6","https://www.debian.org/security/2020/dsa-4633","https://seclists.org/bugtraq/2020/Feb/36","https://security.gentoo.org/glsa/202003-29","https://www.oracle.com/security-alerts/cpuapr2020.html","https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html","https://www.oracle.com/security-alerts/cpuoct2020.html","https://security.netapp.com/advisory/ntap-20190606-0004/","https://curl.haxx.se/docs/CVE-2019-5436.html","https://support.f5.com/csp/article/K55133295","https://support.f5.com/csp/article/K55133295?utm_source=f5support&amp%3Butm_medium=RSS","https://cert-portal.siemens.com/productcert/html/ssa-398330.html"],"weaknesses":["CWE-122"],"ingestedAt":"2026-10-29T19:46:04.126Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/5xxx/CVE-2019-5436.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2019-5436","state":"PUBLISHED","datePublished":"2019-05-28T18:47:32.000Z","dateUpdated":"2026-10-14T06:35:41.896Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2019-01-04T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"curl","product":"curl","versions":[{"version":"Fixed in 7.65.0","status":"affected"}]}],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00008.html","name":"openSUSE-SU-2019:1492","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00017.html","name":"openSUSE-SU-2019:1508","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SMG3V4VTX2SE3EW3HQTN3DDLQBTORQC2/","name":"FEDORA-2019-697de0501f","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"http://www.openwall.com/lists/oss-security/2019/09/11/6","name":"[oss-security] 20190911 [SECURITY ADVISORY] curl: TFTP small blocksize heap buffer overflow","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://www.debian.org/security/2020/dsa-4633","name":"DSA-4633","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"https://seclists.org/bugtraq/2020/Feb/36","name":"20200225 [SECURITY] [DSA 4633-1] curl security update","tags":["mailing-list","x_refsource_BUGTRAQ"]},{"url":"https://security.gentoo.org/glsa/202003-29","name":"GLSA-202003-29","tags":["vendor-advisory","x_refsource_GENTOO"]},{"url":"https://www.oracle.com/security-alerts/cpuapr2020.html","tags":["x_refsource_MISC"]},{"url":"https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html","tags":["x_refsource_MISC"]},{"url":"https://www.oracle.com/security-alerts/cpuoct2020.html","tags":["x_refsource_MISC"]},{"url":"https://security.netapp.com/advisory/ntap-20190606-0004/","tags":["x_refsource_CONFIRM"]},{"url":"https://curl.haxx.se/docs/CVE-2019-5436.html","tags":["x_refsource_CONFIRM"]},{"url":"https://support.f5.com/csp/article/K55133295","tags":["x_refsource_CONFIRM"]},{"url":"https://support.f5.com/csp/article/K55133295?utm_source=f5support&amp%3Butm_medium=RSS","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","description":"Heap Overflow (CWE-122)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"hackerone","dateUpdated":"2020-10-20T21:15:00.000Z","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1"},"datePublic":"2019-05-22T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"support@hackerone.com","ID":"CVE-2019-5436","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"curl","version":{"version_data":[{"version_value":"Fixed in 7.65.0"}]}}]},"vendor_name":"curl"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Heap Overflow (CWE-122)"}]}]},"references":{"reference_data":[{"name":"openSUSE-SU-2019:1492","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00008.html"},{"name":"openSUSE-SU-2019:1508","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00017.html"},{"name":"FEDORA-2019-697de0501f","refsource":"FEDORA","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SMG3V4VTX2SE3EW3HQTN3DDLQBTORQC2/"},{"name":"[oss-security] 20190911 [SECURITY ADVISORY] curl: TFTP small blocksize heap buffer overflow","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2019/09/11/6"},{"name":"DSA-4633","refsource":"DEBIAN","url":"https://www.debian.org/security/2020/dsa-4633"},{"name":"20200225 [SECURITY] [DSA 4633-1] curl security update","refsource":"BUGTRAQ","url":"https://seclists.org/bugtraq/2020/Feb/36"},{"name":"GLSA-202003-29","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/202003-29"},{"name":"https://www.oracle.com/security-alerts/cpuapr2020.html","refsource":"MISC","url":"https://www.oracle.com/security-alerts/cpuapr2020.html"},{"name":"https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html","refsource":"MISC","url":"https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"},{"name":"https://www.oracle.com/security-alerts/cpuoct2020.html","refsource":"MISC","url":"https://www.oracle.com/security-alerts/cpuoct2020.html"},{"name":"https://security.netapp.com/advisory/ntap-20190606-0004/","refsource":"CONFIRM","url":"https://security.netapp.com/advisory/ntap-20190606-0004/"},{"name":"https://curl.haxx.se/docs/CVE-2019-5436.html","refsource":"CONFIRM","url":"https://curl.haxx.se/docs/CVE-2019-5436.html"},{"name":"https://support.f5.com/csp/article/K55133295","refsource":"CONFIRM","url":"https://support.f5.com/csp/article/K55133295"},{"name":"https://support.f5.com/csp/article/K55133295?utm_source=f5support&utm_medium=RSS","refsource":"CONFIRM","url":"https://support.f5.com/csp/article/K55133295?utm_source=f5support&utm_medium=RSS"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00008.html","name":"openSUSE-SU-2019:1492","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00017.html","name":"openSUSE-SU-2019:1508","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SMG3V4VTX2SE3EW3HQTN3DDLQBTORQC2/","name":"FEDORA-2019-697de0501f","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2019/09/11/6","name":"[oss-security] 20190911 [SECURITY ADVISORY] curl: TFTP small blocksize heap buffer overflow","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://www.debian.org/security/2020/dsa-4633","name":"DSA-4633","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"https://seclists.org/bugtraq/2020/Feb/36","name":"20200225 [SECURITY] [DSA 4633-1] curl security update","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://security.gentoo.org/glsa/202003-29","name":"GLSA-202003-29","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"https://www.oracle.com/security-alerts/cpuapr2020.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.oracle.com/security-alerts/cpuoct2020.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20190606-0004/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://curl.haxx.se/docs/CVE-2019-5436.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://support.f5.com/csp/article/K55133295","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://support.f5.com/csp/article/K55133295?utm_source=f5support&amp%3Butm_medium=RSS","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T19:54:53.472Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-04-15T20:51:08.976664Z","id":"CVE-2019-5436","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-15T20:51:25.334Z"}},{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}],"providerMetadata":{"shortName":"siemens-SADP","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","dateUpdated":"2026-10-14T06:35:41.896Z"},"x_adpType":"supplier"}]}}}