CVE-2026-55653 - CERT CVE
ID CVE-2026-55653
Sažetak A flaw was found in OpenSSH. A malicious SSH server can exploit a double free vulnerability in the Diffie-Hellman Group Exchange (DH-GEX) client path. This occurs during FIPS (Federal Information Processing Standards) mode known-group validation when the client processes attacker-controlled DH-GEX group parameters. Successful exploitation leads to client-side process termination, resulting in a Denial of Service (DoS).
Reference
CVSS
Base: 4.3
Impact: 1.4
Exploitability:2.8
Pristup
VektorSloženostAutentikacija
NETWORK LOW NONE
Impact
PovjerljivostCjelovitostDostupnost
NONE NONE LOW
CVSS vektor CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Zadnje važnije ažuriranje 23-06-2026 - 15:17
Objavljeno 23-06-2026 - 04:17