High
Security advisory
Go before 1.10.8 and 1.11.x before 1.11.5 mishandles P-521 and P-384 elliptic curves, which allows attackers to cause a denial of service (CPU consumption) or possibly conduct ECDH private key recovery attacks.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-6486
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:03 UTC · Revision 1
Source evidence
Go before 1.10.8 and 1.11.x before 1.11.5 mishandles P-521 and P-384 elliptic curves, which allows attackers to cause a denial of service (CPU consumption) or possibly conduct ECDH private key recovery attacks.
osv:CVE-2019-6486
Complete source record
{
"id": "4410d7ad4340539c2fb651f5da9d514b3a7d56ffa9500f9f064c9b42bf3a7df9",
"url": "https://osv.dev/vulnerability/CVE-2019-6486",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-6486",
"summary": "Go before 1.10.8 and 1.11.x before 1.11.5 mishandles P-521 and P-384 elliptic curves, which allows attackers to cause a denial of service (CPU consumption) or possibly conduct ECDH private key recovery attacks.",
"evidence": "osv:CVE-2019-6486",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2019-6486",
"aliases": [
"CVE-2019-6486",
"GO-2022-0217"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/golang/go",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "b0cb374daf646454998bac7b393f3236a2ab6aca"
},
{
"introduced": "26957168c4c0cdcc7ca4f0b19d0eb19474d224ac"
},
{
"fixed": "35bb62e60a7779ff82c3067903b3306ff8666471"
},
{
"fixed": "42b42f71cf8f5956c09e66230293dfb5db652360"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.10.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.1"
},
{
"fixed": "1.11.5"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "42b42f71cf8f5956c09e66230293dfb5db652360"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"go1.11.4",
"go1.10.7",
"go1.10.5",
"go1.11.2",
"go1.11.1",
"go1.10.4",
"go1.10.3",
"go1.10.2",
"go1.10.1",
"go1.10",
"go1.10rc2",
"go1.10rc1",
"go1.10beta2",
"go1.10beta1",
"go1.9beta2",
"go1.9beta1",
"go1.8beta2",
"go1.8beta1",
"go1.7rc4",
"go1.7rc3",
"go1.7rc2",
"go1.7rc1",
"go1.7beta2",
"go1.7beta1",
"go1.6beta2",
"go1.6beta1",
"go1.5beta3",
"go1.5beta2",
"go1.5beta1",
"go1.4beta1",
"go1.3beta2",
"go1.3beta1",
"weekly.2012-03-27",
"weekly",
"weekly.2012-03-22",
"weekly.2012-03-13",
"weekly.2012-03-04",
"weekly.2012-02-22",
"weekly.2012-02-14",
"weekly.2012-02-07",
"weekly.2012-01-27",
"weekly.2012-01-20",
"weekly.2012-01-15",
"weekly.2011-12-22",
"weekly.2011-12-14",
"weekly.2011-12-06",
"weekly.2011-12-02",
"weekly.2011-12-01",
"weekly.2011-11-18",
"weekly.2011-11-09",
"weekly.2011-11-08",
"weekly.2011-11-02",
"weekly.2011-11-01",
"weekly.2011-10-26",
"weekly.2011-10-25",
"weekly.2011-10-18",
"weekly.2011-10-06",
"weekly.2011-09-21",
"weekly.2011-09-16",
"weekly.2011-08-17",
"weekly.2011-09-07",
"weekly.2011-09-01",
"weekly.2011-08-10",
"weekly.2011-07-07",
"weekly.2011-07-29",
"weekly.2011-07-19",
"weekly.2011-06-09",
"weekly.2011-06-23",
"weekly.2011-06-16",
"weekly.2011-06-02",
"weekly.2011-05-22",
"weekly.2011-04-27",
"weekly.2011-04-13",
"weekly.2011-04-04",
"weekly.2011-03-28",
"weekly.2011-03-15",
"weekly.2011-03-07.1",
"release.r56",
"weekly.2011-03-07",
"weekly.2011-02-24",
"weekly.2011-02-15",
"weekly.2011-02-01.1",
"weekly.2011-02-01",
"weekly.2011-01-20",
"weekly.2011-01-19",
"weekly.2011-01-12",
"weekly.2011-01-06",
"weekly.2010-12-22",
"weekly.2010-12-15.1",
"weekly.2010-12-15",
"weekly.2010-12-08",
"weekly.2010-12-02",
"weekly.2010-11-23",
"weekly.2010-11-10",
"weekly.2010-11-02",
"weekly.2010-10-27",
"weekly.2010-10-20",
"weekly.2010-10-13.1",
"weekly.2010-10-13",
"weekly.2010-09-29",
"weekly.2010-09-22",
"weekly.2010-09-15",
"weekly.2010-09-06",
"weekly.2010-08-25",
"weekly.2010-08-11",
"weekly.2010-08-04",
"weekly.2010-07-29",
"weekly.2010-07-14",
"weekly.2010-07-01",
"weekly.2010-06-21",
"weekly.2010-06-09",
"weekly.2010-05-27",
"weekly.2010-05-04",
"weekly.2010-04-27",
"weekly.2010-04-13",
"weekly.2010-03-30",
"weekly.2010-03-22",
"weekly.2010-03-15",
"weekly.2010-03-04",
"weekly.2010-02-23",
"weekly.2010-02-17",
"weekly.2010-02-04",
"weekly.2010-01-27",
"weekly.2010-01-13",
"weekly.2010-01-05",
"weekly.2009-12-22",
"weekly.2009-12-09",
"weekly.2009-12-07",
"weekly.2009-11-17",
"weekly.2009-11-12",
"weekly.2009-11-10.1",
"weekly.2009-11-10",
"weekly.2009-11-06"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-6486.json"
}
}
],
"modified": "2026-10-20T10:52:45.024981618Z",
"provider": "osv",
"references": [
"https://groups.google.com/forum/#%21topic/golang-announce/mVeX35iXuSw",
"https://github.com/golang/go/issues/29903",
"https://github.com/google/wycheproof",
"https://lists.debian.org/debian-lts-announce/2019/02/msg00009.html",
"https://www.debian.org/security/2019/dsa-4379",
"https://www.debian.org/security/2019/dsa-4380",
"https://github.com/golang/go/commit/42b42f71cf8f5956c09e66230293dfb5db652360"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
},
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*"
],
"vendor_product": "opensuse:leap",
"extracted_events": [
{
"range": [
{
"introduced": "15.0"
},
{
"last_affected": "15.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2019-6486",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 383777,
"published_at": "2019-01-24T05:29:00.907+00:00"
}