What’s Vulnerable › Vulnerabilities

CVE-2019-19720

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-12-11 · updated 2026-06-17
• Weakness: CWE-787

Description

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

Affected products

• Yabasic: 2.86.1

References

• http://www.yabasic.de/whatsnew.html
• https://github.com/marcIhm/yabasic/issues/36
• http://www.yabasic.de/whatsnew.html
• https://github.com/marcIhm/yabasic/issues/36

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