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CVE-2019-16762

Validator parsing discrepancy due to string encoding in NPM slpjs

MEDIUM
6.1
CVSS Score
Published: November 15, 2019 at 11:10 PM UTC
Updated: June 17, 2026 at 02:22 AM UTC
1 product affected across 1 vendorSlpjs

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Severity
MEDIUM6.1
Exploit prediction
EPSS 1%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Slpjs· Simpleledgernpm
95%
v < 0.21.4< 0.21.4 ≤ v < 0.21.4< 0.21.4
Affected range stops below 0.21.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/simpleledger/slpjs/commit/ac8809b42e47790a6f0205991b36f2699ed10c84#diff-fe58606994c412ba56a65141a7aa4a62L701
x_refsource_CONFIRMExploitPatchThird Party Advisory
Source: [email protected]
https://github.com/simpleledger/slpjs/security/advisories/GHSA-425c-ccf3-3jrr

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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