CVE-2019-19720

8.8 highEPSS 1.4%

High (8.8) in yabasic yabasic. EPSS 1.4% chance of exploitation in the next 30 days.

Yabasic 2.86.1 has a heap-based buffer overflow in the yylex() function in flex.c via a crafted BASIC source file.

Severity

8.8 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 73% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2019-12-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19