CVE-2023-40857

8.8 highEPSS 1.1%

High (8.8) in virustotal yara. EPSS 1.1% chance of exploitation in the next 30 days.

Buffer Overflow vulnerability in VirusTotal yara v.4.3.2 allows a remote attacker to execute arbtirary code via the yr_execute_cod function in the exe.c component.

Severity

CVSS 3.1

8.8 high

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

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2023-08-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

virustotal:yara

References

https://github.com/VirusTotal/yara/issues/1945
https://github.com/VirusTotal/yara/issues/1945

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