CVE-2019-16748
CRITICAL9.8EPSS 0.40%Published: 9/24/2019Modified: 4/28/2026
Also known as:DEBIAN-CVE-2019-16748
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 packages (1)
- Debian/wolfsslfrom 0, < 4.2.0+dfsg-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |