{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-9086", "assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9", "state": "PUBLISHED", "assignerShortName": "curl", "dateReserved": "2025-08-16T05:40:23.800Z", "datePublished": "2025-09-12T05:10:03.815Z", "dateUpdated": "2026-09-15T06:02:35.281Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "2499f714-1537-4658-8207-48ae4bb9eae9", "shortName": "curl", "dateUpdated": "2026-09-15T06:02:35.281Z" }, "title": "Out of bounds read for cookie path", "descriptions": [ { "lang": "en", "value": "1. A cookie is set using the `secure` keyword for `https://target`\n2. curl is redirected to or otherwise made to speak with `http://target` (same\n hostname, but using clear text HTTP) using the same cookie set\n3. The same cookie name is set - but with only a slash as path (`path=\"/\"`).\n Since this site is not secure, the cookie *should* be ignored.\n4. A bug in the path comparison logic makes curl read outside a heap buffer\n boundary\n\nThe bug either causes a crash or it potentially makes the comparison come to\nthe wrong conclusion and lets the clear-text site override the contents of the\nsecure cookie, contrary to expectations and depending on the memory contents\nimmediately following the single-byte allocation that holds the path.\n\nThe presumed and correct behavior would be to plainly ignore the second set of\nthe cookie since it was already set as secure on a secure host so overriding\nit on an insecure host should not be okay." } ], "affected": [ { "vendor": "curl", "product": "curl", "versions": [ { "version": "8.13.0", "status": "affected", "versionType": "semver", "lessThan": "8.14.2" }, { "version": "8.15.0", "status": "affected", "versionType": "semver", "lessThan": "8.16.0" } ], "defaultStatus": "unaffected" }, { "vendor": "curl", "product": "curl", "versions": [ { "version": "1aea05a6c2699e80c75936d58569851555acd603", "status": "affected", "versionType": "git", "lessThan": "c6ae07c6a541e0e96d0040afb62b45dd37711300" } ], "defaultStatus": "unaffected", "repo": "https://github.com/curl/curl.git" }, { "vendor": "curl", "product": "curl", "versions": [ { "version": "8.15.0", "status": "affected" }, { "version": "8.14.1", "status": "affected" }, { "version": "8.14.0", "status": "affected" }, { "version": "8.13.0", "status": "affected" } ], "defaultStatus": "unaffected" } ], "references": [ { "url": "https://curl.se/docs/CVE-2025-9086.json" }, { "url": "https://curl.se/docs/CVE-2025-9086.html" }, { "url": "https://hackerone.com/reports/3294999" } ], "x_osv": { "schema_version": "1.5.0", "id": "CURL-CVE-2025-9086", "aliases": [ "CVE-2025-9086" ], "summary": "Out of bounds read for cookie path", "modified": "2026-09-07T10:34:51.00Z", "database_specific": { "package": "curl", "affects": "lib", "URL": "https://curl.se/docs/CVE-2025-9086.json", "www": "https://curl.se/docs/CVE-2025-9086.html", "issue": "https://hackerone.com/reports/3294999", "CWE": { "id": "CWE-125", "desc": "Out-of-bounds Read" }, "award": { "amount": "505", "currency": "USD" }, "last_affected": "8.15.0", "severity": "Low" }, "published": "2025-09-10T08:00:00.00Z", "affected": [ { "ranges": [ { "type": "SEMVER", "events": [ { "introduced": "8.13.0" }, { "fixed": "8.14.2" }, { "introduced": "8.15.0" }, { "fixed": "8.16.0" } ] }, { "type": "GIT", "repo": "https://github.com/curl/curl.git", "events": [ { "introduced": "1aea05a6c2699e80c75936d58569851555acd603" }, { "fixed": "c6ae07c6a541e0e96d0040afb62b45dd37711300" } ] } ], "versions": [ "8.15.0", "8.14.1", "8.14.0", "8.13.0" ] } ], "credits": [ { "name": "Google Big Sleep", "type": "finder" }, { "name": "Daniel Stenberg", "type": "remediation developer" } ], "details": "1. A cookie is set using the `secure` keyword for `https://target`\n2. curl is redirected to or otherwise made to speak with `http://target` (same\n hostname, but using clear text HTTP) using the same cookie set\n3. The same cookie name is set - but with only a slash as path (`path=\"/\"`).\n Since this site is not secure, the cookie *should* be ignored.\n4. A bug in the path comparison logic makes curl read outside a heap buffer\n boundary\n\nThe bug either causes a crash or it potentially makes the comparison come to\nthe wrong conclusion and lets the clear-text site override the contents of the\nsecure cookie, contrary to expectations and depending on the memory contents\nimmediately following the single-byte allocation that holds the path.\n\nThe presumed and correct behavior would be to plainly ignore the second set of\nthe cookie since it was already set as secure on a secure host so overriding\nit on an insecure host should not be okay." }, "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Out-of-bounds Read", "cweId": "CWE-125", "type": "CWE" } ] } ], "credits": [ { "lang": "en", "value": "Google Big Sleep", "type": "finder" }, { "lang": "en", "value": "Daniel Stenberg", "type": "remediation developer" } ], "x_generator": { "engine": "cvelib 1.8.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2025-09-12T17:15:47.921625Z", "id": "CVE-2025-9086", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-09-12T17:16:20.317Z" } }, { "title": "CVE Program Container", "references": [ { "url": "http://www.openwall.com/lists/oss-security/2025/09/10/1" }, { "url": "https://lists.debian.org/debian-lts-announce/2026/01/msg00002.html" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-01-05T02:47:38.406Z" } }, { "x_adpType": "supplier", "providerMetadata": { "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-06-02T12:59:46.514Z" }, "affected": [ { "vendor": "Siemens", "product": "RUGGEDCOM RST2428P", "versions": [ { "status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "RUGGEDCOM RST2428P", "versions": [ { "status": "affected", "version": "0", "lessThan": "V4.0", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family", "versions": [ { "status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SCALANCE XCH328", "versions": [ { "status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SCALANCE XCM324", "versions": [ { "status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SCALANCE XCM328", "versions": [ { "status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SCALANCE XCM332", "versions": [ { "status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SCALANCE XRH334 (24 V DC, 8xFO, CC)", "versions": [ { "status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SCALANCE XRM334 (230 V AC, 12xFO)", "versions": [ { "status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SCALANCE XRM334 (230 V AC, 8xFO)", "versions": [ { "status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+)", "versions": [ { "status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SCALANCE XRM334 (24 V DC, 12xFO)", "versions": [ { "status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SCALANCE XRM334 (24 V DC, 8xFO)", "versions": [ { "status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+)", "versions": [ { "status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SCALANCE XRM334 (2x230 V AC, 12xFO)", "versions": [ { "status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SCALANCE XRM334 (2x230 V AC, 8xFO)", "versions": [ { "status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+)", "versions": [ { "status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom" } ], "defaultStatus": "unknown" } ], "references": [ { "url": "https://cert-portal.siemens.com/productcert/html/ssa-089022.html" }, { "url": "https://cert-portal.siemens.com/productcert/html/ssa-253495.html" } ] } ] } }