CVE-2018-19974
MEDIUM5.5EPSS 0.25%Published: 12/17/2018Modified: 4/28/2026
Also known as:DEBIAN-CVE-2018-19974
Description
In YARA 3.8.1, bytecode in a specially crafted compiled rule can read uninitialized data from VM scratch memory in libyara/exec.c. This can allow attackers to discover addresses in the real stack (not the YARA virtual stack).
Affected packages (1)
- Debian/yarafrom 0, < 3.8.1-2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |