OpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcceptedAlgorithms or HostbasedAcceptedAlgorithms is misinterpreted to mean all ECDSA algorithms.
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Score 3.1 from GitHub Security Advisory (severity: LOW) published 2026-04-02. NVD baseline CVSS 3.1; sources differ by 0.0.
OpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcceptedAlgorithms or HostbasedAcceptedAlgorithms is misinterpreted to mean all ECDSA algorithms.
April 2, 2026
April 27, 2026
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Red Hat Security Advisory: openssh security update
Red Hat Security Advisory: openssh security update
Red Hat Security Advisory: Red Hat Update Infrastructure 5.1 security update
Red Hat Security Advisory: openssh security update
Red Hat Security Advisory: openssh security update
Red Hat Security Advisory: openssh security update
Red Hat Security Advisory: A Subscription Management tool for finding and reporting Red Hat product usage
Red Hat Security Advisory: openssh security update
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | ssh-askpass-gnome (1:10.2p1-2ubuntu3.2) @ resolute | 2026-05-20 | ubuntu |
| redhat | openssh-0:9.9p1-7.el9_8 | 2026-05-19 | redhat |
| redhat | openssh-0:9.9p1-23.el10_2 | 2026-05-19 | redhat |
| redhat | openssh-0:8.7p1-45.el9_6.3 | 2026-05-11 | redhat |
| redhat | discovery/discovery-server-rhel9:1778101579 | 2026-05-07 | redhat |
| redhat | openssh-0:8.7p1-49.el9_7 | 2026-05-04 | redhat |
| redhat | openssh-0:9.9p1-14.el10_1 | 2026-05-04 | redhat |
| redhat | openssh-0:8.0p1-29.el8_10 | 2026-05-04 | redhat |
| redhat | openssh-0:9.9p1-7.el10_0.3 | 2026-04-30 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
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redhat · ubuntu