Astra Linux – vulnerability in libssh2

In libssh2 v1.9.0 and earlier versions, the SSHMSGDISCONNECT logic in packet.c contains an integer overflow in a bounds check. This allows an attacker to specify an arbitrary out-of-bounds offset for a subsequent memory read. A specially crafted SSH server may be capable of disclosing sensitive...

JLSEC-2025-188 In libssh2 v1.9.0 and earlier versions, the `SSH_MSG_DISCONNECT` logic in packet.c has an integer...

In libssh2 v1.9.0 and earlier versions, the SSHMSGDISCONNECT logic in packet.c has an integer overflow in a bounds check, enabling an attacker to specify an arbitrary out-of-bounds offset for a subsequent memory read. A crafted SSH server may be able to disclose sensitive information or cause a...

PT-2021-28316

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided description. Description: A heap-buffer-overflow WRITE crash has been reported, with the crash state involving functions such as explicit bzero, crypto free, and ssh disconnect...