CVE-2021-3402
Critical
Description
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
SeverityCritical
CVSS9.1
Exploit probability—
Product
Virustotal Yara
PublishedMay 14, 2021
First seenMay 14, 2021
Weakness typeCWE-190Integer overflow
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| virustotal yara | v < 4.0.4 | 4.0.4 |
| fedoraproject fedora | 33, 34 | — |
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