High (7.5) in virustotal yara. EPSS 2.5% chance of exploitation in the next 30 days.
libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule (involving hex strings) that is mishandled in the _yr_re_emit function, a different vulnerability than CVE-2017-9304.
Severity
CVSS 3.0
7.5 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
2.5% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)