CVE-2026-8257
Description
A flaw was found in WebAssembly Binaryen. A local user can perform a manipulation within the IRBuilder::makeBrOn function of the src/wasm/wasm-ir-builder.cpp file, leading to a reachable assertion. This vulnerability can cause the program to crash, resulting in a denial of service (DoS).
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
Understanding the Weakness (CWE)
Availability
Technical Impact: DoS: Crash, Exit, or Restart
An attacker that can trigger an assert statement can still lead to a denial of service if the relevant code can be triggered by an attacker, and if the scope of the assert() extends beyond the attacker's own session.
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