CVE-2026-3497 - Vulnerability Details

Related Threat Clusters

• OpenSSH Vulnerabilities Lead to Denial of Service Risks in Ubuntu

  Multiple vulnerabilities in OpenSSH have been identified, affecting various Ubuntu versions, including 20.04 LTS. The vulnerabilities include a critical issue discovered by Jeremy Brown regarding the GSSAPI Key…

  5 articles · Updated March 12, 2026
• Fedora OpenSSH Update Addresses CVE-2026-3497 Information Disclosure Vulnerability

  A major update for OpenSSH in Fedora 43 and an important fix for Fedora 42 were released to address CVE-2026-3497, which involves information disclosure or denial of service due to uninitialized variables in…

  3 articles · Updated March 21, 2026

Recent Intelligence Reports

• Fedora 44 openssh Critical Info Disclosure Denial of Service CVE-2026 — Linuxsecurity · March 22, 2026
• Fedora 42 OpenSSH Important Info Disclosure DoS Fix FEDORA-2026 — Linuxsecurity · March 21, 2026
• Fedora 43 OpenSSH Major Update Addressing Information Disclosure Issues — Linuxsecurity · March 20, 2026
• OpenSSH GSSAPI Vulnerability Allow an Attacker to Crash SSH Child Processes — Cybersecuritynews · March 13, 2026
• Ubuntu 20.04 LTS OpenSSH Important Denial of Service Fix USN-8090 — Linuxsecurity · March 12, 2026
• Debian 10.05 OpenSSH Severe Denial of Service Unrestricted Code 2026 — Linuxsecurity · March 12, 2026
• USN-8090-2: OpenSSH vulnerabilities — Ubuntu · March 12, 2026
• USN-8090-1: OpenSSH vulnerabilities — Ubuntu · March 12, 2026

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