p PatchFirst

CVE-2019-16748

CVE-2019-16748

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 9.8 · Critical · EPSS 1.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • wolfssl Debian:12

    Affected ranges
    • ECOSYSTEM: < 4.2.0+dfsg-1

    Update to 4.2.0+dfsg-1

  • wolfssl Debian:13

    Affected ranges
    • ECOSYSTEM: < 4.2.0+dfsg-1

    Update to 4.2.0+dfsg-1

  • wolfssl Ubuntu:16.04:LTS

    Versions
    • 3.4.8+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • wolfssl Ubuntu:18.04:LTS

    Versions
    • 3.10.2+dfsg-2
    • 3.12.0+dfsg-1
    • 3.12.2+dfsg-1
    • 3.13.0+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

Check your server →