In YARA 3.7.1 and prior, parsing a specially crafted compiled rule file can cause an out…
Priority LOW 37CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
In YARA 3.7.1 and prior, parsing a specially crafted compiled rule file can cause an out of bounds read vulnerability in yr_execute_code in libyara/exec.c.
Why it matters now
EPSS 0.01316 70th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:virustotal:yara:*:*:*:*:*:*:*:* | up to 3.7.1 | Vulnerable | Virustotal |
- cpe:2.3:a:virustotal:yara:*:*:*:*:*:*:*:* Versions up to 3.7.1 Vulnerable ·Virustotal
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2018-12034
- 2026-10-03 Alias added: GHSA-8929-jmq3-999x
References
More Virustotal Yara vulnerabilities
- TI-2023-21588 Buffer Overflow vulnerability in VirusTotal yara v.4.3.2 allows a remote attacker to… CVSS 3.1HIGH 8.8
- TI-2021-02369 Integer overflow in libyara CVSS 3.1CRITICAL 9.1
- TI-2017-06850 libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial… CVSS 3.0HIGH 7.5
- TI-2017-05862 libyara/re.c in the regex component in YARA 3.5.0 allows remote attackers to cause a… CVSS 3.0HIGH 7.5
- TI-2016-08286 libyara/lexer.l in YARA 3.5.0 allows remote attackers to cause a denial of service (NULL… CVSS 3.0HIGH 7.5
- TI-2019-14158 In the macho_parse_file functionality in macho/macho.c of YARA 3.11.0, command_size may… CVSS 3.1HIGH 7.8
Sources
- CVE-2018-12034 · CVE Program
- CVE-2018-12034 · NVD
- FIRST EPSS
- GHSA-8929-jmq3-999x · GitHub Advisory Database · CC BY 4.0
- CVE-2018-12034 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences