CVE-2019-16762: Simpleledger Slpjs

Medium severity, CVSS 6.1. EPSS: 1.1% chance of exploitation in the next 30 days.

A specially crafted Bitcoin script can cause a discrepancy between the specified SLP consensus rules and the validation result of the slpjs npm package. An attacker could create a specially crafted Bitcoin script in order to cause a hard-fork from the SLP consensus. Affected users can upgrade to any version >= 0.21.4.

Affected products

• Simpleledger Slpjs: before 0.21.4 (fixed in 0.21.4)

Published 2019-11-15. Last modified 2026-06-17.