CVE-2018-19975

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Source
https://nvd.nist.gov/vuln/detail/CVE-2018-19975
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19975.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-19975
Downstream
Published
2018-12-17T19:29:01.437Z
Modified
2025-11-20T10:48:25.545047Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.

References

Affected packages

Git / github.com/virustotal/yara

Affected ranges

Type
GIT
Repo
https://github.com/virustotal/yara
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
309894830a5f9ff8cc22155d7719ea608de7bc9d

Affected versions

v2.*

v2.0.0
v2.1.0

v3.*

v3.0.0
v3.1.0
v3.2.0
v3.3.0
v3.4.0
v3.6.0
v3.7.0
v3.8.0
v3.8.1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19975.json"