Medium severity5.5OSV Advisory· Published Dec 17, 2018· Updated Jun 17, 2026
CVE-2018-19976
CVE-2018-19976
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4v2.0.0, v2.1.0, v3.0.0, …+ 2 more
- (no CPE)range: v2.0.0, v2.1.0, v3.0.0, …
- cpe:2.3:a:virustotal:yara:3.8.1:*:*:*:*:*:*:*
- (no CPE)range: <3.8.1
Patches
Vulnerability mechanics
References
3- bnbdr.github.io/posts/extracheese/nvdExploitThird Party Advisory
- github.com/VirusTotal/yara/issues/999nvdExploitIssue TrackingThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR/nvd
News mentions
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