Security Bulletin: Expr Built-in Functions Recursion DoS Vulnerability (Fixed in v1.17.7) affects watsonx.data

Summary Expr prior to v1.17.7 is vulnerable to a Denial-of-Service DoS due to unbounded recursion in certain built-in functions, which can cause stack overflow and application crashes when processing deeply nested or cyclic data. Fixed in v1.17.7. This can affect watsonx.data. Vulnerability Detai...

CVE-2025-68156 Expr has Denial of Service via Unbounded Recursion in Builtin Functions

Expr is an expression language and expression evaluation for Go. Prior to version 1.17.7, several builtin functions in Expr, including flatten, min, max, mean, and median, perform recursive traversal over user-provided data structures without enforcing a maximum recursion depth. If the evaluation...