CVE-2026-0967
ADVISORY - nistSummary
A flaw was found in libssh. A remote attacker, by controlling client configuration files or known_hosts files, could craft specific hostnames that when processed by the match_pattern() function can lead to inefficient regular expression backtracking. This can cause timeouts and resource exhaustion, resulting in a Denial of Service (DoS) for the client.
EPSS Score: 0.00223 (0.130)
Common Weakness Enumeration (CWE)
ADVISORY - nist
Inefficient Regular Expression Complexity
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