{"id":"CVE-2022-43552","revision":null,"records":[{"revision":"2a443f46701447558c3fa444a19f3c0e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2022-43552","aliases":[],"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 such tunnel operations. When getting denied to tunnel the s…","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.","state":0,"publishedAt":"2023-02-09T00:00:00+00:00","modifiedAt":"2026-10-14T18:26:48.192+00:00","affected":[{"ecosystem":"Vendor product","name":"https://github.com/curl/curl","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"https://github.com/curl/curl\",\n                    \"versions\": [\n                        {\n                            \"version\": \"Fixed in curl 7.87.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[],"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"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-43552","license":"CVE Program Terms of Use","key":"cve-program:CVE-2022-43552","identifiers":["CVE-2022-43552"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-823278bd48cc4faf93c855874afdf908","complete":false,"records":13689,"lastAttemptAt":"2026-11-10T01:26:04.0547747+00:00","lastSuccessAt":"2026-11-10T01:26:04.05+00:00","error":"46 identifier lookups failed; latest failures include HTTP 403. Other identifiers were checked independently.","lastVerifiedAt":"2026-11-10T01:26:04.05+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13658,"expectedIdentifiers":13742,"failedIdentifiers":46},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-10T01:13:24.0914870+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-10T01:13:24.091487+00:00","lastSuccessAt":"2026-11-10T01:13:24.2423035+00:00","error":null,"lastVerifiedAt":"2026-11-10T01:13:24.2423037+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-ac4cdedb469b4d498dab4cba0976e3b8","complete":false,"records":13695,"lastAttemptAt":"2026-11-10T01:13:50.7927629+00:00","lastSuccessAt":"2026-11-10T01:13:50.789+00:00","error":null,"lastVerifiedAt":"2026-11-10T01:13:50.789+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13704,"expectedIdentifiers":13742,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-cdffb4589856378aa42e8d1bd4a6c74e27a180d8160bf764c44715ef760f0a62","complete":true,"records":9932,"lastAttemptAt":"2026-11-10T01:13:23.6725967+00:00","lastSuccessAt":"2026-11-10T00:04:19.8260565+00:00","error":null,"lastVerifiedAt":"2026-11-10T01:13:23.6725967+00:00","snapshotPublishedAt":"2026-11-09T23:48:01+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-26503967ae4379db8f374089589d6e03fb15bd31f820c9e992aaf93840c2236c","complete":true,"records":1971,"lastAttemptAt":"2026-11-10T01:11:09.2602471+00:00","lastSuccessAt":"2026-11-09T21:02:20.472473+00:00","error":null,"lastVerifiedAt":"2026-11-10T01:11:09.2602471+00:00","snapshotPublishedAt":"2026-11-09T20:18:18+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-761ecc9061239b0da572dc9254c6f384c1d19339eb08408c436647a2f26129e9","complete":true,"records":3064,"lastAttemptAt":"2026-11-10T01:13:24.0606038+00:00","lastSuccessAt":"2026-11-09T17:05:03.4044794+00:00","error":null,"lastVerifiedAt":"2026-11-10T01:13:24.0606038+00:00","snapshotPublishedAt":"2026-11-09T16:33:20+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-de491e92084daab7829a905b7af7daf62c5cba9f53efe3052c21cec43e90d59a","complete":true,"records":231581,"lastAttemptAt":"2026-11-10T01:13:22.923251+00:00","lastSuccessAt":"2026-11-10T01:13:21.102106+00:00","error":null,"lastVerifiedAt":"2026-11-10T01:13:22.923251+00:00","snapshotPublishedAt":"2026-11-10T00:48:12+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}