CVE-2025-6274

A denial-of-service vulnerability has been identified in WebAssembly's WebAssembly Binary Toolkit (wabt), specifically within the OnDataCount function. This flaw allows an attacker with local access to trigger runaway resource consumption (for example, excessive memory or CPU usage) by manipulating input provided to this function. This uncontrolled resource use can lead to the host operating system terminating the affected process, resulting in a denial of service.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.