CVE-2019-15651

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CVSS 3.0

9.8 critical

EPSS

1%p61

Published

Aug 26, 2019 (Aug 26, 2019)

Modified

Jun 17, 2026

Description

wolfSSL 4.1.0 has a one-byte heap-based buffer over-read in DecodeCertExtensions in wolfcrypt/src/asn.c because reading the ASN_BOOLEAN byte is mishandled for a crafted DER certificate in GetLength_ex.

Vendors: wolfssl
Products: wolfssl
Weakness: CWE-125
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.0%)

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