Vulnerability Details CVE-2026-27452
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 17.2%
CVSS Severity
CVSS v3 Score 5.3
Products affected by CVE-2026-27452
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.10.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.10.1
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.10.2
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.10.3
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.11.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.12.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.12.1
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.12.2
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.12.3
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.5.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.6.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.7.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.8.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.9.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.9.1
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.9.2
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cpe:2.3:a:jonathanwilbur:asn1-ts:0.9.3
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cpe:2.3:a:jonathanwilbur:asn1-ts:1.0.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:1.1.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:1.1.1
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cpe:2.3:a:jonathanwilbur:asn1-ts:1.1.2
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cpe:2.3:a:jonathanwilbur:asn1-ts:1.1.3
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cpe:2.3:a:jonathanwilbur:asn1-ts:1.2.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:1.3.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:1.3.1
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cpe:2.3:a:jonathanwilbur:asn1-ts:1.3.2
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cpe:2.3:a:jonathanwilbur:asn1-ts:1.4.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:1.5.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:1.5.1
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cpe:2.3:a:jonathanwilbur:asn1-ts:1.5.2
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cpe:2.3:a:jonathanwilbur:asn1-ts:1.6.1
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cpe:2.3:a:jonathanwilbur:asn1-ts:10.0.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:10.0.1
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cpe:2.3:a:jonathanwilbur:asn1-ts:11.0.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:11.0.3
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cpe:2.3:a:jonathanwilbur:asn1-ts:11.0.4
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cpe:2.3:a:jonathanwilbur:asn1-ts:11.0.5
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cpe:2.3:a:jonathanwilbur:asn1-ts:2.11.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:2.11.1
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cpe:2.3:a:jonathanwilbur:asn1-ts:2.11.2
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cpe:2.3:a:jonathanwilbur:asn1-ts:2.2.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:2.4.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:2.5.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:2.5.1
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cpe:2.3:a:jonathanwilbur:asn1-ts:3.1.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:3.1.1
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cpe:2.3:a:jonathanwilbur:asn1-ts:3.2.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:3.3.1
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cpe:2.3:a:jonathanwilbur:asn1-ts:5.0.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:7.0.11
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cpe:2.3:a:jonathanwilbur:asn1-ts:7.0.12
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cpe:2.3:a:jonathanwilbur:asn1-ts:7.0.15
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cpe:2.3:a:jonathanwilbur:asn1-ts:7.0.16
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cpe:2.3:a:jonathanwilbur:asn1-ts:7.0.17
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cpe:2.3:a:jonathanwilbur:asn1-ts:7.0.18
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cpe:2.3:a:jonathanwilbur:asn1-ts:7.0.19
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cpe:2.3:a:jonathanwilbur:asn1-ts:7.0.4
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cpe:2.3:a:jonathanwilbur:asn1-ts:7.1.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:7.1.1
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cpe:2.3:a:jonathanwilbur:asn1-ts:7.1.2
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cpe:2.3:a:jonathanwilbur:asn1-ts:8.0.2
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cpe:2.3:a:jonathanwilbur:asn1-ts:8.0.3
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cpe:2.3:a:jonathanwilbur:asn1-ts:8.0.4
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cpe:2.3:a:jonathanwilbur:asn1-ts:8.0.5
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cpe:2.3:a:jonathanwilbur:asn1-ts:9.0.0
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cpe:2.3:a:jonathanwilbur:asn1-ts:9.0.1
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cpe:2.3:a:jonathanwilbur:asn1-ts:9.0.2
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cpe:2.3:a:jonathanwilbur:asn1-ts:9.0.3