CVE-2026-54911

UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Prior to 5.13.0, ujson.dumps or ujson.dump or ujson.encode have a rejectbytes=False option. When set, they may accept malformed or truncated UTF-8 byte sequences, silently rewriting them into different...

EUVD-2026-31402

golang.org/x/crypto/ssh/agent: Invoking pathological inputs can lead to client panic...

expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution

A flaw was found in expat. Passing malformed 2- and 3-byte UTF-8 sequences for example, from start tag names to the XML processing application on top of expat can lead to arbitrary code execution. This issue is dependent on how invalid UTF-8 is handled inside the XML processor...