CVEvulnerability

CVE-2019-16748

9.8 CRITICAL Published 2019-09-24 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-09-24
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-125

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.

Affected configurations

• wolfssl wolfssl (<= 4.1.0)

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References