Medium
Security advisory
It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-13627
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:34 UTC · Revision 1
Source evidence
It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.
osv:CVE-2019-13627
Complete source record
{
"id": "31622c6c1292591edfae24a8d58f47db31a586c0f7855d2dfc0ac5c580dda046",
"url": "https://osv.dev/vulnerability/CVE-2019-13627",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-13627",
"summary": "It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.",
"evidence": "osv:CVE-2019-13627",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2019-13627",
"aliases": [
"CVE-2019-13627"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/gpg/libgcrypt",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "56606331bc2a80536db9fc11ad53695126007298"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"fixed": "56606331bc2a80536db9fc11ad53695126007298"
}
],
"source": "REFERENCES_TAG",
"original_tag": "libgcrypt-1.8.5"
}
]
}
}
],
"versions": [
"libgcrypt-1.8.4",
"libgcrypt-1.8.3",
"libgcrypt-1.8.2",
"libgcrypt-1.8.1",
"libgcrypt-1.8.0",
"libgcrypt-1.7.3",
"libgcrypt-1.7.2",
"libgcrypt-1.7.1",
"libgcrypt-1.7.0",
"libgcrypt-1.6.0",
"libgcrypt-1.5.0",
"libgcrypt-1.5.0-beta1",
"post-nuke-of-trailing-ws",
"ecc-integration-done",
"libgcrypt-1.4.4",
"libgcrypt-1.4.3",
"libgcrypt-1.4.2",
"libgcrypt-1.4.2rc2",
"libgcrypt-1.4.2rc1",
"libgcrypt-1.4.1",
"libgcrypt-1.4.1rc1",
"libgcrypt-1.4.0",
"libgcrypt-1.3.2",
"libgcrypt-1.3.1",
"libgcrypt-1.3.0",
"V1-2-1",
"V1-2-0",
"V1-1-94",
"marcus-after-thread-cbs",
"marcus-before-thread-cbs",
"V1-1-93",
"V1-1-92",
"V1-1-91",
"V1-1-90",
"V1-1-44",
"V1-1-43",
"V1-1-42",
"V1-1-12",
"V1-1-11",
"V1-1-10",
"V1-1-9",
"V1-1-8",
"V1-1-7",
"now-less-freedom-protected",
"last-gpl-version",
"V1-1-6",
"V1-1-5",
"V1-1-4",
"V1-1-3",
"V1-1-2",
"V1-1-0",
"DEVEL-BRANCH-1-1",
"V1-0-0",
"V0-9-11",
"V0-9-10",
"V0-9-9",
"V0-9-8",
"V0-9-7",
"V0-9-6",
"V0-9-5",
"V0-9-4",
"V1-0-4",
"V1-0-3",
"V1-0-2",
"V1-0-1-ePit-1",
"V1-0-1",
"V0-9-3",
"V0-9-2",
"V0-9-1",
"V0-9-0",
"V0-4-5",
"V0-4-4",
"V0-4-3",
"V0-4-2",
"V0-4-1",
"V0-4-0",
"V0-3-5",
"V0-3-4",
"V0-3-3",
"V0-3-2",
"V0-3-1",
"V0-3-0",
"V0-2-19",
"V0-2-18",
"V0-2-17",
"V0-2-15",
"V0-2-10",
"V-0-2-8",
"V0-2-6",
"V0-2-0",
"V0-1-0",
"V0-0-0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-13627.json"
}
}
],
"modified": "2026-10-20T10:50:42.323577356Z",
"provider": "osv",
"references": [
"https://cert-portal.siemens.com/productcert/html/ssa-398330.html",
"https://github.com/gpg/libgcrypt/releases/tag/libgcrypt-1.8.5",
"https://lists.debian.org/debian-lts-announce/2019/09/msg00024.html",
"https://lists.debian.org/debian-lts-announce/2020/01/msg00001.html",
"https://minerva.crocs.fi.muni.cz/",
"https://security-tracker.debian.org/tracker/CVE-2019-13627",
"https://security.gentoo.org/glsa/202003-32",
"https://usn.ubuntu.com/4236-1/",
"https://usn.ubuntu.com/4236-2/",
"https://usn.ubuntu.com/4236-3/"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "12.04"
},
{
"last_affected": "12.04"
},
{
"introduced": "14.04"
},
{
"last_affected": "14.04"
},
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
},
{
"introduced": "18.04"
},
{
"last_affected": "18.04"
},
{
"introduced": "19.04"
},
{
"last_affected": "19.04"
},
{
"introduced": "19.10"
},
{
"last_affected": "19.10"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:libgcrypt20_project:libgcrypt20:1.6.3-2\\+deb8u4:*:*:*:*:*:*:*",
"cpe:2.3:a:libgcrypt20_project:libgcrypt20:1.7.6-2\\+deb9u3:*:*:*:*:*:*:*",
"cpe:2.3:a:libgcrypt20_project:libgcrypt20:1.8.4-5:*:*:*:*:*:*:*"
],
"vendor_product": "libgcrypt20_project:libgcrypt20",
"extracted_events": [
{
"range": [
{
"introduced": "1.6.3-2+deb8u4"
},
{
"last_affected": "1.6.3-2+deb8u4"
},
{
"introduced": "1.7.6-2+deb9u3"
},
{
"last_affected": "1.7.6-2+deb9u3"
},
{
"introduced": "1.8.4-5"
},
{
"last_affected": "1.8.4-5"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*",
"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
],
"vendor_product": "opensuse:leap",
"extracted_events": [
{
"range": [
{
"introduced": "15.0"
},
{
"last_affected": "15.0"
},
{
"introduced": "15.1"
},
{
"last_affected": "15.1"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2019-13627",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 382032,
"published_at": "2019-09-25T15:15:11.877+00:00"
}