https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 14 Oct 2026 20:22:47 +0000 https://cve.radiocsirt.org/vuln/cve-2026-58051 <p><strong>Affected:</strong> libssh2</p> <p>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.</p> <p><strong>Affected:</strong> libssh2</p> <p>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.</p> https://cve.radiocsirt.org/vuln/cve-2026-58051 https://cve.radiocsirt.org/vuln/usn-8532-1 <p><strong>Affected:</strong> Ubuntu:24.04:LTS: libssh2, Ubuntu:26.04:LTS: libssh2</p> <p>It was discovered that libssh2 incorrectly handled certain publickey subsystem attributes. A remote attacker controlling a malicious SSH server could use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2026-58050)</p> <p>It was discovered that libssh2 did not properly initialize publickey list entries before parsing. A remote attacker controlling a malicious SSH server could use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2026-58051)</p> <p><strong>Affected:</strong> Ubuntu:24.04:LTS: libssh2, Ubuntu:26.04:LTS: libssh2</p> <p>It was discovered that libssh2 incorrectly handled certain publickey subsystem attributes. A remote attacker controlling a malicious SSH server could use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2026-58050)</p> <p>It was discovered that libssh2 did not properly initialize publickey list entries before parsing. A remote attacker controlling a malicious SSH server could use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2026-58051)</p> https://cve.radiocsirt.org/vuln/usn-8532-1