CVE-2021-3402
moderate-risk
Published 2021-05-14
An integer overflow and several buffer overflow reads in libyara/modules/macho/macho.c in YARA v4.0.3 and earlier could allow an attacker to either cause denial of service or information disclosure via a malicious Mach-O file. Affects all versions before libyara 4.0.4
Do I need to act?
~
1.4% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.1/10
Critical
NETWORK
/ LOW complexity
Affected Vendors
References (10)
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1930175
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1930175
44
/ 100
moderate-risk
Severity
31/34 · Critical
Exploitability
4/34 · Minimal
Exposure
9/34 · Low