PT-2026-47560

Impact Applications that call OptionalConverters.WithExpandoObjectConverter and deserialize untrusted data are open to a vulnerability by which an attacker can exploit a On² algorithm to burn an inordinate amount of CPU effort by adding a great many properties to an ExpandoObject, whose Add metho...

FreeBSD -- Multiple vulnerabilities in OpenSSH

Problem Description: OpenSSH client host verification error CVE-2025-26465 ssh1 contains a logic error that allows an on-path attacker to impersonate any server during certain conditions when the VerifyHostKeyDNS option is enabled. OpenSSH server denial of service CVE-2025-26466 The OpenSSH clien...

Exploiting Spectre Over the Internet

Google has demonstrated exploiting the Spectre CPU attack remotely over the web: Today, were sharing proof-of-concept PoC code that confirms the practicality of Spectre exploits against JavaScript engines. We use Google Chrome to demonstrate our attack, but these issues are not specific to Chrome...