CVE-2018-19976

MEDIUM 5.5CVE-2018-19976 · Published 17/12/2018 · updated 17/06/2026

In short

CVE-2018-19976 is a MEDIUM (CVSS 5.5) vulnerability affecting yara (virustotal).
Chance of exploitation in the next 30 days (EPSS): 1.3%, higher than 70.8% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
yara virustotal	`= 3.8.1`	No fix yet

Description

In YARA 3.8.1, bytecode in a specially crafted compiled rule is exposed to information about its environment, in libyara/exec.c. This is a consequence of the design of the YARA virtual machine.

References

bnbdr.github.io/posts/extracheese · Exploit
VirusTotal/yara · Exploit
bnbdr/swisscheese · Exploit
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR

More vulnerabilities in yara

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free

Package

Affected versions

Patched versions

yara

virustotal

= 3.8.1

No fix yet

More vulnerabilities in yara

See all →