CVE-2019-16748

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CVSS 3.1

9.8 critical

EPSS

1%p65

Published

Sep 24, 2019 (Sep 24, 2019)

Modified

Jun 17, 2026

Description

In wolfSSL through 4.1.0, there is a missing sanity check of memory accesses in parsing ASN.1 certificate data while handshaking. Specifically, there is a one-byte heap-based buffer over-read in CheckCertSignature_ex in wolfcrypt/src/asn.c.

Vendors: wolfssl
Products: wolfssl
Weakness: CWE-125
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.2%)

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