DoS
New OpenSSH flaws expose SSH servers to MiTM and DoS attacks
OpenSSH has released security updates addressing two vulnerabilities, a machine-in-the-middle (MitM) and a denial of service flaw, with one of the flaws introduced over a decade ago. Qualys discovered both vulnerabilities and demonstrated their exploitability to OpenSSH’s maintainers. OpenSSH (Open Secure Shell) is a free, open-source implementation of the SSH (Secure Shell) protocol, which provides […]
Cisco warns of denial of service flaw with PoC exploit code
Cisco has released security updates to patch a ClamAV denial-of-service (DoS) vulnerability, which has proof-of-concept (PoC) exploit code. Tracked as CVE-2025-20128, the vulnerability is caused by a heap-based buffer overflow weakness in the Object Linking and Embedding 2 (OLE2) decryption routine, allowing unauthenticated, remote attackers to trigger a DoS condition on vulnerable devices. If this vulnerability is […]