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CVE-2026-27452

Published: Feb 21, 2026

Modified: Feb 24, 2026

PUBLISHED

Description

ASN.1 TypeScript ESM library, including codecs for Basic Encoding Rules (BER) and Distinguished Encoding Rules (DER). In versions 11.0.5 and below, in some cases, decoding an INTEGER could leak the underlying ArrayBuffer. This issue is expected to be fixed in version 11.0.6.

Vendor	Product	Versions
JonathanWilbur	asn1-ts	affected `<= 11.0.5`

Weaknesses (CWE)

References

https://github.com/JonathanWilbur/asn1-ts/security/advisories/GHSA-h5rw-vxjr-8q79

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