CVE-2017-9465: Virustotal Yara

High severity, CVSS 7.1. EPSS: 1.2% chance of exploitation in the next 30 days.

The yr_arena_write_data function in YARA 3.6.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) or obtain sensitive information from process memory via a crafted file that is mishandled in the yr_re_fast_exec function in libyara/re.c and the _yr_scan_match_callback function in libyara/scan.c.

Affected products

• Virustotal Yara: version 3.6.1 only

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