https://seclists.org/oss-sec/2026/q2/1014: libssh2: CVE-2026-55200 (critical), CVE-2025-15661 (high), CVE-2026-55199 (high)
Published Jun 24, 2026
·Updated
Affected Software
1 affected component
libssh2 libssh2
Frequently Asked Questions
1
What is the severity of CVE-2026-55200?
CVE-2026-55200 is classified as a critical vulnerability.
2
How do I fix CVE-2026-55200?
To fix CVE-2026-55200, update to the latest version of libssh2 which includes the patch for this vulnerability.
3
What is the impact of CVE-2025-15661?
CVE-2025-15661 is a high severity vulnerability that could lead to a potential security breach.
4
Is there a patch available for CVE-2026-55199?
Yes, a patch for CVE-2026-55199 is available in the latest release of libssh2.
5
When was CVE-2026-55200 published?
CVE-2026-55200 was published on June 24, 2026.