What’s Vulnerable › Vulnerabilities

CVE-2023-40857

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-28 · updated 2026-06-17
• Weakness: CWE-787

Description

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.

Affected products

• Yara Object: 4.3.2

References

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

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