UnratedFix available
curl — security advisory
The Curl_input_negotiate function in http_negotiate.c in libcurl 7.10.6 through 7.21.6, as used in curl and other products, always performs credential delegation during GSSAPI authentication, which allows remote servers to impersonate clients via GSSAPI requests.
- Products
- curl
- Affected versions
- Not specified
- Fixed versions
- 7.21.6-2
- CVEs
- CVE-2011-2192
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 23:07 UTC · Revision 1
Source evidence
The Curl_input_negotiate function in http_negotiate.c in libcurl 7.10.6 through 7.21.6, as used in curl and other products, always performs credential delegation during GSSAPI authentication, which allows remote servers to impersonate clients via GSSAPI requests.
osv:DEBIAN-CVE-2011-2192
curl
Fixed versions: 7.21.6-2
curl
Fixed versions: 7.21.6-2
curl
Fixed versions: 7.21.6-2
Complete source record
{
"id": "5fb186dd5ada391b7eaf0a1993c501efb0462c38330e2fb84bf473cdeabb64c5",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2011-2192",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2011-2192",
"summary": "The Curl_input_negotiate function in http_negotiate.c in libcurl 7.10.6 through 7.21.6, as used in curl and other products, always performs credential delegation during GSSAPI authentication, which allows remote servers to impersonate clients via GSSAPI requests.",
"evidence": "osv:DEBIAN-CVE-2011-2192",
"products": [
{
"name": {
"value": "curl",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.21.6-2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "curl",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.21.6-2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "curl",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.21.6-2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2011-2192",
"aliases": [
"DEBIAN-CVE-2011-2192"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.21.6-2"
}
]
}
],
"package": {
"name": "curl",
"purl": "pkg:deb/debian/curl?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-2192.json"
},
"ecosystem_specific": {
"urgency": "high"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.21.6-2"
}
]
}
],
"package": {
"name": "curl",
"purl": "pkg:deb/debian/curl?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-2192.json"
},
"ecosystem_specific": {
"urgency": "high"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.21.6-2"
}
]
}
],
"package": {
"name": "curl",
"purl": "pkg:deb/debian/curl?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-2192.json"
},
"ecosystem_specific": {
"urgency": "high"
}
}
],
"modified": "2026-10-23T17:47:35.121119746Z",
"provider": "osv",
"upstream": [
"CVE-2011-2192"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2011-2192"
]
},
"related_cves": [
{
"value": "CVE-2011-2192",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 417772,
"published_at": "2011-07-07T21:55:02.32+00:00"
}