Medium
Security advisory
The dsa_sign_setup function in crypto/dsa/dsa_ossl.c in OpenSSL through 1.0.2h does not properly ensure the use of constant-time operations, which makes it easier for local users to discover a DSA private key via a timing side-channel attack.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-2178
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:24 UTC · Revision 1
Source evidence
The dsa_sign_setup function in crypto/dsa/dsa_ossl.c in OpenSSL through 1.0.2h does not properly ensure the use of constant-time operations, which makes it easier for local users to discover a DSA private key via a timing side-channel attack.
osv:CVE-2016-2178
Complete source record
{
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"url": "https://osv.dev/vulnerability/CVE-2016-2178",
"method": "structured",
"payload": {
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"title": "CVE-2016-2178",
"summary": "The dsa_sign_setup function in crypto/dsa/dsa_ossl.c in OpenSSL through 1.0.2h does not properly ensure the use of constant-time operations, which makes it easier for local users to discover a DSA private key via a timing side-channel attack.",
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],
"modified": "2026-10-24T10:30:28.349030540Z",
"provider": "osv",
"references": [
"https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
"https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=399944622df7bd81af62e67ea967c470534090e2",
"https://access.redhat.com/errata/RHSA-2017:0193",
"https://access.redhat.com/errata/RHSA-2017:0194",
"https://access.redhat.com/errata/RHSA-2017:1658",
"https://bto.bluecoat.com/security-advisory/sa132",
"https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c05302448",
"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05302448",
"https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312",
"https://kc.mcafee.com/corporate/index?page=content&id=SB10215",
"https://nodejs.org/en/blog/vulnerability/september-2016-security-releases/",
"https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc",
"https://security.gentoo.org/glsa/201612-16",
"https://support.f5.com/csp/article/K53084033",
"https://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03856en_us",
"https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us",
"https://www.arista.com/en/support/advisories-notices/security-advisories/1749-security-advisory-24",
"https://www.tenable.com/security/tns-2016-16",
"https://www.tenable.com/security/tns-2016-20",
"https://www.tenable.com/security/tns-2016-21",
"https://bugzilla.redhat.com/show_bug.cgi?id=1343400"
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}