CVE-2019-19720

HIGH

yabasic 2.86.1 - Heap-Based Buffer Overflow in yylex Function

Title source: llm
STIX 2.1

Description

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

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/marcIhm/yabasic/issues/36
Release Notes, Vendor Advisory x_refsource_misc
http://www.yabasic.de/whatsnew.html

Scores

CVSS v3 8.8
EPSS 0.0125
EPSS Percentile 65.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (1)
yabasic/yabasic 2.86.1
Published Dec 11, 2019
Tracked Since Feb 18, 2026