What’s Vulnerable › Vulnerabilities

CVE-2019-16761: Validator parsing discrepancy due to string encoding in NPM slp-validate 1.0.0

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-15 · updated 2026-06-17
• Weakness: CWE-20

Description

A specially crafted Bitcoin script can cause a discrepancy between the specified SLP consensus rules and the validation result of the slp-validate@1.0.0 npm package. An attacker could create a specially crafted Bitcoin script in order to cause a hard-fork from the SLP consensus. All versions >1.0.0 have been patched.

Affected products

• simpleledger slp-validate: 1.0.0

References

• https://github.com/simpleledger/slp-validate/commit/50ad96c2798dad6b9f9a13333dd05232defe5730#diff-fe58606994c412ba56a65141a7aa4a62L123
• https://github.com/simpleledger/slp-validate/security/advisories/GHSA-wmx6-vxcf-c3gr
• https://github.com/simpleledger/slp-validate/commit/50ad96c2798dad6b9f9a13333dd05232defe5730#diff-fe58606994c412ba56a65141a7aa4a62L123
• https://github.com/simpleledger/slp-validate/security/advisories/GHSA-wmx6-vxcf-c3gr

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