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).
History

Thu, 08 Oct 2026 22:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 14 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.07652}

epss

{'score': 0.07042}


cve-icon MITRE

Status: PUBLISHED

Assigner: openssl

Published: 2018-10-29T13:00:00.000Z

Updated: 2026-10-08T21:13:55.113Z

Reserved: 2017-11-30T00:00:00.000Z

Link: CVE-2018-0735

cve-icon Vulnrichment

Updated: 2024-08-05T03:35:49.247Z

cve-icon NVD

Status : Modified

Published: 2018-10-29T13:29:00.263

Modified: 2026-10-08T22:16:43.880

Link: CVE-2018-0735

cve-icon Redhat

Severity : Low

Publid Date: 2018-10-25T00:00:00Z

Links: CVE-2018-0735 - Bugzilla