What is CVE-2019-19796?

CVE-2019-19796 is a high-severity vulnerability in Yabasic, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-12-13.

How severe is CVE-2019-19796?

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

Buffer overflow in Yabasic

CVE-2019-19796

Yabasic 2.86.2 has a heap-based buffer overflow in myformat in function.c via a crafted BASIC source file.

Vulnerability class: Buffer Overflow

Published 2019-12-13 · 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: 0.008 (55.5th percentile), scored 2026-10-25.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Yabasic — versions 2.86.2

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/marcIhm/yabasic/issues/37 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2019-19796?: CVE-2019-19796 is a high-severity vulnerability in Yabasic, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-12-13.
How severe is CVE-2019-19796?: High severity. CVSS v3 base score is 7.8 out of 10.