CVE-2017-8929: Virustotal Yara

High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days.

The sized_string_cmp function in libyara/sizedstr.c in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule.

Affected products

• Virustotal Yara: version 3.5.0 only

Published 2017-05-14. Last modified 2026-06-17.