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USN-8090-1 fixed vulnerabilities in OpenSSH. This update provides the corresponding updates for Ubuntu 20.04 LTS. Original advisory details: Jeremy Brown discovered that the OpenSSH GSSAPI Key Exchange incorrectly handled disconnecting c…

Ubuntu CVE-2026-3497CVE-2025-61984CVE-2025-61985 CVSS 6.9 2026-03-12 18:31 UTC · 2026-03-12 15:31 -03

Jeremy Brown discovered that the OpenSSH GSSAPI Key Exchange incorrectly handled disconnecting clients. In non-default configurations where the GSSAPIKeyExchange setting is enabled, a remote attacker could use this issue to cause OpenSSH t…

Ubuntu CVE-2026-3497CVE-2025-61984CVE-2025-61985 CVSS 6.9 2026-03-12 18:16 UTC · 2026-03-12 15:16 -03

Bahruz Jabiyev, Tommaso Innocenti, Anthony Gavazzi, Steven Sprecher, and Kaan Onarlioglu discovered that servers using Go Networking could hang during shutdown if preempted by a fatal error. An attacker could possibly use this to cause a d…

Ubuntu CVE-2022-27664CVE-2022-41723CVE-2023-3978CVE-2025-22872CVE-2025-47911CVE-2025-58190 CVSS 7.5 2026-03-12 16:28 UTC · 2026-03-12 13:28 -03

Ionut Lalu discovered that go-git incorrectly handled certain specially crafted Git server responses. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-49568, CVE-2025-21614) Ionut Lalu discovered that go-g…

Ubuntu CVE-2023-49568CVE-2025-21614CVE-2023-49569CVE-2025-21613CVE-2026-25934 CVSS 9.8 2026-03-12 15:53 UTC · 2026-03-12 12:53 -03