CVE ID :CVE-2026-58051
Published : June 28, 2026, 1:32 a.m. | 18 hours, 27 minutes ago
Description :libssh2 through 1.11.1 grows its publickey list with SSH2_REALLOC but does not zero-initialize new entries before parsing populates them, so a parse failure reaching the cleanup path leaves libssh2_publickey_list_free operating on an uninitialized entry. A malicious SSH server offering the publickey subsystem can use a malformed response to make cleanup free an uninitialized, attacker-influenceable attrs pointer in a connecting libssh2 client.
Severity: 8.3 | HIGH
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