{"id":"CVE-2022-43552","state":"PUBLISHED","title":"A use after free vulnerability exists in curl <7.87.0. Curl can be asked to *tunnel* virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny","description":"A use after free vulnerability exists in curl <7.87.0. Curl can be asked to *tunnel* virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struct after it had been freed, in its transfer shutdown code path.","publishedAt":"2023-02-09T00:00:00.000Z","updatedAt":"2026-10-14T18:26:48.192Z","severity":{"score":5.9,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"hackerone","products":["n/a https://github.com/curl/curl"],"affected":[{"vendor":"n/a","product":"https://github.com/curl/curl","versions":[{"version":"Fixed in curl 7.87.0","status":"affected"}]}],"references":["https://hackerone.com/reports/1764858","https://security.netapp.com/advisory/ntap-20230214-0002/","https://support.apple.com/kb/HT213670","http://seclists.org/fulldisclosure/2023/Mar/17","https://security.gentoo.org/glsa/202310-12","https://cert-portal.siemens.com/productcert/html/ssa-892048.html","https://cert-portal.siemens.com/productcert/html/ssa-398330.html"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T19:50:43.581Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/43xxx/CVE-2022-43552.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-43552","state":"PUBLISHED","datePublished":"2023-02-09T00:00:00.000Z","dateUpdated":"2026-10-14T18:26:48.192Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2022-10-20T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A use after free vulnerability exists in curl <7.87.0. Curl can be asked to *tunnel* virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struct after it had been freed, in its transfer shutdown code path."}],"affected":[{"vendor":"n/a","product":"https://github.com/curl/curl","versions":[{"version":"Fixed in curl 7.87.0","status":"affected"}]}],"references":[{"url":"https://hackerone.com/reports/1764858"},{"url":"https://security.netapp.com/advisory/ntap-20230214-0002/"},{"url":"https://support.apple.com/kb/HT213670"},{"url":"http://seclists.org/fulldisclosure/2023/Mar/17","name":"20230327 APPLE-SA-2023-03-27-3 macOS Ventura 13.3","tags":["mailing-list"]},{"url":"https://security.gentoo.org/glsa/202310-12","name":"GLSA-202310-12","tags":["vendor-advisory"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","type":"CWE","lang":"en","description":"Use After Free (CWE-416)"}]}],"providerMetadata":{"shortName":"hackerone","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateUpdated":"2023-10-11T10:06:28.239Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.9,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-07-24T14:27:40.656488Z","id":"CVE-2022-43552","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","type":"CWE","lang":"en","description":"CWE-416 Use After Free"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-27T14:48:12.558Z"}},{"title":"CVE Program Container","references":[{"url":"https://hackerone.com/reports/1764858","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20230214-0002/","tags":["x_transferred"]},{"url":"https://support.apple.com/kb/HT213670","tags":["x_transferred"]},{"url":"http://seclists.org/fulldisclosure/2023/Mar/17","name":"20230327 APPLE-SA-2023-03-27-3 macOS Ventura 13.3","tags":["mailing-list","x_transferred"]},{"url":"https://security.gentoo.org/glsa/202310-12","name":"GLSA-202310-12","tags":["vendor-advisory","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T13:32:59.678Z"}},{"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-892048.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}],"providerMetadata":{"shortName":"siemens-SADP","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","dateUpdated":"2026-10-14T18:26:48.192Z"},"x_adpType":"supplier"}]}}}