Vulnerability in Libssh

CVE-2012-4561

The (1) publickey_make_dss, (2) publickey_make_rsa, (3) signature_from_string, (4) ssh_do_sign, and (5) ssh_sign_session_id functions in keys.c in libssh before 0.5.3 free "an invalid pointer on an error path," which might allow remote attackers to cause a denial of service (crash) via unspecified vectors.

EPSS: 0.048 (90.9th percentile) — read the EPSS interpretation.

Affected products

  • Libssh — versions 0.4.7, 0.4.8, 0.5.0
  • N/a — versions n/a

References