Encoding Error Affecting asn1-ts package, versions >=7.0.4 <11.0.6


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.26% (18th percentile)

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  • Snyk IDSNYK-JS-ASN1TS-15363332
  • published27 Feb 2026
  • disclosed21 Feb 2026
  • creditJonathan Wilbur

Introduced: 21 Feb 2026

CVE-2026-27452  (opens in a new tab)
CWE-172  (opens in a new tab)

How to fix?

Upgrade asn1-ts to version 11.0.6 or higher.

Overview

asn1-ts is an ASN.1 encoding and decoding, including BER, CER, and DER.

Affected versions of this package are vulnerable to Encoding Error in the integer decoding that can leak the underlying ArrayBuffer.

References

CVSS Base Scores

version 4.0
version 3.1