Astra Linux – Vulnerability in libssh

A flaw was discovered in libssh’s handling of key exchange KEX processes when a client repeatedly sends incorrect KEX guesses. The library fails to free memory during these rekey operations, which can gradually exhaust system memory. This issue can lead to crashes on the client side, especially...

CVE-2025-8277

A flaw was found in libssh's handling of key exchange KEX processes when a client repeatedly sends incorrect KEX guesses. The library fails to free memory during these rekey operations, which can gradually exhaust system memory. This issue can lead to crashes on the client side, particularly when...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the rekey process. An attacker can disrupt critical security operations by sending unauthenticated requests to cancel root rekey and recovery rekey operations. This can result in denial o...