VulnerabilityModified
CVE-2019-19720
Yabasic 2.86.1 has a heap-based buffer overflow in the yylex() function in flex.c via a crafted BASIC source file.
HIGH 8.8EPSS 1.25%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Yabasic 2.86.1 has a heap-based buffer overflow in the yylex() function in flex.c via a crafted BASIC source file.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.25% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- yabasic/yabasic
- Source
- cve@mitre.org
References
- http://www.yabasic.de/whatsnew.htmlRelease Notes, Vendor Advisory
- https://github.com/marcIhm/yabasic/issues/36Exploit, Third Party Advisory
- http://www.yabasic.de/whatsnew.htmlRelease Notes, Vendor Advisory
- https://github.com/marcIhm/yabasic/issues/36Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.