What is CVE-2019-16396?

CVE-2019-16396 is a high-severity vulnerability in Gnucobol Project, classified under Use After Free. CVSS score: 7.8/10. Published 2019-09-17.

How severe is CVE-2019-16396?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Gnucobol Project

CVE-2019-16396

GnuCOBOL 2.2 has a use-after-free in the end_scope_of_program_name() function in cobc/parser.y via crafted COBOL source code.

Vulnerability class: Use-After-Free

Published 2019-09-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (63.8th percentile), scored 2026-10-06.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Gnucobol Project — versions 2.2

Weakness classification (CWE)

CWE-416 — Use After Free

References

sourceforge.net/p/open-cobol/bugs/587/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-16396?: CVE-2019-16396 is a high-severity vulnerability in Gnucobol Project, classified under Use After Free. CVSS score: 7.8/10. Published 2019-09-17.
How severe is CVE-2019-16396?: High severity. CVSS v3 base score is 7.8 out of 10.