CVE Explorer
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"asn1-ts","vendor":"JonathanWilbur","versions":[{"status":"affected","version":"<= 11.0.5"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:1470c5363f972be6e77fbacf974524823c4e722d71bd8d48f1a09b8a3dd089ab · sha256:edaec3b69950dbce… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:1470c5363f972be6e77fbacf974524823c4e722d71bd8d48f1a09b8a3dd089ab · sha256:edaec3b69950dbce… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:1470c5363f972be6e77fbacf974524823c4e722d71bd8d48f1a09b8a3dd089ab · sha256:edaec3b69950dbce… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/JonathanWilbur/asn1-ts/security/advisories/GHSA-h5rw-vxjr-8q79","tags":["x_refsource_CONFIRM"],"url":"https://github.com/JonathanWilbur/asn1-ts/security/advisories/GHSA-h5rw-vxjr-8q79"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:1470c5363f972be6e77fbacf974524823c4e722d71bd8d48f1a09b8a3dd089ab · sha256:edaec3b69950dbce… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.