Reachable Assertion The advisory has been revoked - it doesn't affect any version of package bison  (opens in a new tab)


Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.02% (4th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-CONAN-BISON-11786324
  • published13 Aug 2025
  • disclosed8 Aug 2025
  • creditXudong Cao, Yuqing Zhang

Introduced: 8 Aug 2025

CVE-2025-8733  (opens in a new tab)
CWE-617  (opens in a new tab)

Amendment

This was deemed not a vulnerability.

Overview

Affected versions of this package are vulnerable to Reachable Assertion via the handle_action_dollar function in scan-code.l. An attacker can cause a reachable assertion failure by providing crafted input to this function, potentially leading to a denial of service on the local system.

PoC

Note: CVE-2025-8733 was rejected by the CVE List.