Unrated severityNVD Advisory· Published Feb 21, 2026· Updated Feb 24, 2026
ASN.1 TypeScript Library: Decoding an INTEGER could leak the underlying ArrayBuffer
CVE-2026-27452
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.
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Affected products
2- Range: <=11.0.5
- Range: <= 11.0.5
Patches
Vulnerability mechanics
References
1- github.com/JonathanWilbur/asn1-ts/security/advisories/GHSA-h5rw-vxjr-8q79mitrex_refsource_CONFIRM
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