High
Security advisory
Multiple untrusted search path vulnerabilities in cURL and libcurl before 7.49.1, when built with SSPI or telnet is enabled, allow local users to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse (1) security.dll, (2) secur32.dll, or (3) ws2_32.dll in the application or current working directory.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-4802
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:30 UTC · Revision 1
Source evidence
Multiple untrusted search path vulnerabilities in cURL and libcurl before 7.49.1, when built with SSPI or telnet is enabled, allow local users to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse (1) security.dll, (2) secur32.dll, or (3) ws2_32.dll in the application or current working directory.
osv:CVE-2016-4802
Complete source record
{
"id": "f576f49acc7a5b8e31b0ec219de975a20da434086020e13f0a2b972e268f758e",
"url": "https://osv.dev/vulnerability/CVE-2016-4802",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-4802",
"summary": "Multiple untrusted search path vulnerabilities in cURL and libcurl before 7.49.1, when built with SSPI or telnet is enabled, allow local users to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse (1) security.dll, (2) secur32.dll, or (3) ws2_32.dll in the application or current working directory.",
"evidence": "osv:CVE-2016-4802",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2016-4802",
"aliases": [
"CURL-CVE-2016-4802",
"CVE-2016-4802"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/curl/curl",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "67fe54d918a3b42a24cb7f5db81514c10e239735"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "7.49.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"curl-7_49_0",
"curl-7_48_0",
"curl-7_47_1",
"curl-7_47_0",
"curl-7_46_0",
"curl-7_45_0",
"curl-7_44_0",
"curl-7_43_0",
"curl-7_42_0",
"curl-7_41_0",
"curl-7_40_0",
"curl-7_39_0",
"curl-7_38_0",
"curl-7_37_1",
"curl-7_37_0",
"curl-7_36_0",
"curl-7_35_0",
"curl-7_34_0",
"curl-7_33_0",
"curl-7_32_0",
"curl-7_31_0",
"curl-7_30_0",
"curl-7_29_0",
"curl-7_28_1",
"curl-7_28_0",
"curl-7_27_0",
"curl-7_26_0",
"curl-7_25_0",
"curl-7_23_1",
"curl-7_23_0",
"curl-7_22_0",
"curl-7_21_7",
"curl-7_21_6",
"curl-7_21_5",
"curl-7_21_4",
"curl-7_21_3",
"curl-7_21_2",
"curl-7_21_1",
"curl-7_21_0",
"curl-7_20_1",
"curl-7_20_0",
"curl-7_19_7",
"curl-7_19_6",
"curl-7_19_5",
"curl-7_19_4",
"curl-7_19_3",
"curl-7_19_2",
"curl-7_19_1",
"curl-7_19_0",
"curl-7_18_2",
"curl-7_18_1",
"curl-7_18_0",
"curl-7_17_1",
"curl-7_17_0",
"curl-7_17_0-preldapfix",
"curl-7_16_4",
"curl-7_16_3",
"curl-7_16_2",
"curl-7_16_1",
"curl-7_16_0",
"curl-7_15_6-prepipeline",
"curl-7_15_5",
"curl-7_15_4",
"curl-7_15_3",
"curl-7_15_2",
"curl-7_15_1",
"curl-7_15_0",
"curl-7_14_1",
"curl-7_14_0",
"curl-7_13_2",
"curl-7_13_1",
"before_ftp_statemachine",
"curl-7_13_0",
"curl-7_12_3",
"curl-7_12_2",
"curl-7_12_1",
"curl-7_12_0",
"curl-7_11_2",
"curl-7_11_1",
"curl-7_11_0",
"curl-7_10_8",
"curl-7_10_7",
"curl-7_10_6",
"curl-7_10_5",
"curl-7_10_4",
"curl-7_10_3",
"curl-7_10_2",
"curl-7_10_1",
"curl-7_10",
"curl-7_9_8",
"curl-7_9_7",
"curl-7_9_7-pre2",
"curl-7_9_6",
"curl-7_9_5",
"curl-7_9_5-pre4",
"curl-7_9_5-pre2",
"curl-7_9_4",
"curl-7_9_3",
"curl-7_9_3-pre3",
"curl-7_9_3-pre2",
"curl-7_9_3-pre1",
"curl-7_9_2",
"curl-7_9_1",
"curl-7_9",
"before_urldata_rename",
"curl-7_8_1",
"curl-7_8_1-pre3",
"curl-7_8",
"curl-7_8-pre2",
"curl-7_7_3",
"curl-7_7_2",
"curl-7_7_1",
"curl-7_7",
"curl-7_7-beta5",
"curl-7_7-beta3",
"curl-7_7-beta2",
"curl-7_7-beta1",
"curl-7_7_alpha2",
"curl-7_6_1",
"curl-7_6_1-pre3",
"curl-7_6_1-pre2",
"curl-7_6_1-pre1",
"curl-7_6",
"curl-7_6-pre4",
"curl_7_6-pre3",
"curl-7_5_2",
"curl-7_5",
"curl-7_4_1",
"curl-7_3",
"curl-7_2",
"curl-7_1_1",
"curl-6_5_2",
"curl-6_5_1",
"curl-6_5"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-4802.json"
}
}
],
"modified": "2026-10-24T10:30:29.739325924Z",
"provider": "osv",
"references": [
"https://curl.haxx.se/docs/adv_20160530.html"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2016-4802",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 432387,
"published_at": "2016-06-24T17:59:00.16+00:00"
}