Medium 5.5Published Jun 19, 2016

CVE-2016-2178The 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 pr…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-203
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

openssl openssl openssl:openssl	1.0.1; 1.0.1a; 1.0.1b; 1.0.1c; 1.0.1d; 1.0.1e; 1.0.1f; 1.0.1g; and 22 more ranges	NVD
oracle linux oracle:linux	5; 6; 7	NVD
oracle solaris oracle:solaris	10; 11.3	NVD
suse linux_enterprise suse:linux_enterprise	12.0	NVD
nodejs node.js nodejs:node.js	from 0.10.0 before 0.10.47; from 0.12.0 before 0.12.16; from 4.0.0 through 4.1.2; from 4.2.0 before 4.6.0; from 5.0.0 before 6.7.0	NVD
debian debian_linux debian:debian_linux	8.0	NVD
canonical ubuntu_linux canonical:ubuntu_linux	12.04; 14.04; 16.04	NVD

References

References

http://eprint.iacr.org/2016/594.pdf	technical-description, third-party-advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759	third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html	mailing-list, third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html	mailing-list, third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html	mailing-list, third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html	mailing-list, third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html	mailing-list, third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html	mailing-list, third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html	mailing-list, third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00013.html	third-party-advisory
1–10 of 25

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.