CVE-2026-27452

MEDIUM
2026-02-21 [email protected]
Information Disclosure Asn1 Ts
5.3
CVSS 3.1
Share

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:04 vuln.today
CVE Published
Feb 21, 2026 - 07:16 nvd
MEDIUM 5.3

DescriptionNVD

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.

AnalysisAI

Asn1 Ts library versions 11.0.5 and below expose sensitive data through unintended ArrayBuffer leakage during INTEGER decoding operations in BER/DER codec processing. Applications using affected versions could inadvertently disclose memory contents to remote attackers without requiring authentication or user interaction. …

Sign in for full analysis, threat intelligence, and remediation guidance.

RemediationAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review data exposure and access controls.

Sign in for detailed remediation steps.

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Sign in - Free

Share

CVE-2026-27452 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy