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vuln-cve/data/2025/9xxx/CVE-2025-9086.json
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{
"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",
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{
"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",
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}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "RUGGEDCOM RST2428P",
"versions": [
{
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"version": "0",
"lessThan": "V4.0",
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}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family",
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],
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},
{
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{
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}