Medium
Security advisory
The OpenSSL ECDSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a (Affected 1.1.1).
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-0735
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:30 UTC · Revision 1
Source evidence
The OpenSSL ECDSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a (Affected 1.1.1).
osv:CVE-2018-0735
Complete source record
{
"id": "3e583b694d4d01d8e7f5b98eceba6c1be4ab51807ca158f2c9a288129aae1170",
"url": "https://osv.dev/vulnerability/CVE-2018-0735",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-0735",
"summary": "The OpenSSL ECDSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a (Affected 1.1.1).",
"evidence": "osv:CVE-2018-0735",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-0735",
"aliases": [
"CVE-2018-0735"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
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"type": "GIT",
"events": [
{
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},
{
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},
{
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},
{
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},
{
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}
],
"database_specific": {
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{
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"range": [
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},
{
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}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.7.0"
},
{
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}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
"range": [
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},
{
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}
],
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}
}
],
"versions": [
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"mysql-5.6.42",
"mysql-8.0.13",
"mysql-5.6.40",
"mysql-5.1.4",
"mysql-4.0.4",
"mysql-4.0.2",
"mysql-3.23.36",
"mysql-3.23.33",
"mysql-3.23.32",
"mysql-3.23.31",
"mysql-3.23.30-gamma",
"mysql-3.23.28-gamma",
"mysql-3.23.22-beta"
],
"database_specific": {
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}
},
{
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{
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{
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{
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{
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],
"database_specific": {
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{
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"range": [
{
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},
{
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}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*",
"range": [
{
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},
{
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}
],
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},
{
"cpe": "cpe:2.3:a:nodejs:node.js:10.13.0:*:*:*:lts:*:*:*",
"range": [
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{
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}
],
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}
]
}
}
],
"versions": [
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"v11.2.0",
"v11.1.0",
"v10.13.0",
"v11.0.0",
"v10.11.0",
"v10.10.0",
"v10.9.0",
"v10.8.0",
"v10.7.0",
"v10.6.0",
"v10.5.0",
"v10.4.1",
"v10.4.0",
"v10.3.0",
"v10.2.1",
"v10.2.0",
"v10.1.0",
"v10.0.0"
],
"database_specific": {
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}
},
{
"ranges": [
{
"repo": "https://github.com/openssl/openssl",
"type": "GIT",
"events": [
{
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},
{
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},
{
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},
{
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}
],
"database_specific": {
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{
"cpe": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.1.0"
},
{
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}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:openssl:openssl:1.1.1:*:*:*:*:*:*:*",
"range": [
{
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},
{
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}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"1.1.1",
"OpenSSL_1_1_1w",
"OpenSSL_1_1_0l"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-0735.json"
}
}
],
"modified": "2026-10-24T10:30:19.244040729Z",
"provider": "osv",
"references": [
"https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=56fb454d281a023b3f950d969693553d3f3ceea1",
"https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=b1d6d55ece1c26fa2829e2b819b038d7b6d692b4",
"https://access.redhat.com/errata/RHSA-2019:3700",
"https://lists.debian.org/debian-lts-announce/2018/11/msg00024.html",
"https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/",
"https://security.netapp.com/advisory/ntap-20181105-0002/",
"https://usn.ubuntu.com/3840-1/",
"https://www.debian.org/security/2018/dsa-4348",
"https://www.openssl.org/news/secadv/20181029.txt",
"https://www.oracle.com/security-alerts/cpujan2020.html",
"https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html",
"https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html",
"https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html"
],
"provider_metadata": {
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],
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{
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}
],
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}
]
},
{
"cpes": [
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],
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"extracted_events": [
{
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},
{
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}
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},
{
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],
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{
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],
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{
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{
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{
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},
{
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{
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}
],
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{
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{
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}
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}
]
},
{
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"cpe:2.3:a:oracle:application_server:1.0.1:*:*:*:*:*:*:*"
],
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{
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{
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{
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{
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{
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},
{
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"cpe:2.3:a:oracle:enterprise_manager_base_platform:13.3.0.0.0:*:*:*:*:*:*:*"
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{
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{
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},
{
"cpes": [
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"cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*"
],
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{
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{
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{
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}
],
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]
},
{
"cpes": [
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"cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:15.2:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:16.1:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:16.2:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:18.8:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:primavera_p6_enterprise_project_portfolio_management:8.4:*:*:*:*:*:*:*"
],
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"extracted_events": [
{
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{
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},
{
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{
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},
{
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},
{
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},
{
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},
{
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},
{
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},
{
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},
{
"introduced": "18.8"
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{
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],
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}
]
},
{
"cpes": [
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],
"vendor_product": "oracle:secure_global_desktop",
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{
"range": [
{
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},
{
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}
],
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}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:tuxedo:12.1.1.0.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:tuxedo",
"extracted_events": [
{
"range": [
{
"introduced": "12.1.1.0.0"
},
{
"last_affected": "12.1.1.0.0"
}
],
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}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-0735",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 429969,
"published_at": "2018-10-29T13:29:00.263+00:00"
}