High
Security advisory
In YARA 3.7.1 and prior, parsing a specially crafted compiled rule file can cause an out of bounds write vulnerability in yr_execute_code in libyara/exec.c.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-12035
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:16 UTC · Revision 1
Source evidence
In YARA 3.7.1 and prior, parsing a specially crafted compiled rule file can cause an out of bounds write vulnerability in yr_execute_code in libyara/exec.c.
osv:CVE-2018-12035
Complete source record
{
"id": "a7f9f59df5fedcbd8dbc0a4e291d2890f4c045cf3a0ad962964c2a45ea9e86d7",
"url": "https://osv.dev/vulnerability/CVE-2018-12035",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-12035",
"summary": "In YARA 3.7.1 and prior, parsing a specially crafted compiled rule file can cause an out of bounds write vulnerability in yr_execute_code in libyara/exec.c.",
"evidence": "osv:CVE-2018-12035",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-12035",
"aliases": [
"CVE-2018-12035"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/virustotal/yara",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "21d82ff7ddaf7c01e9b3a7364f4cb3820870bcb2"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:virustotal:yara:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "3.7.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v3.7.1",
"v3.7.0",
"v3.6.0",
"v3.4.0",
"v3.3.0",
"v3.2.0",
"v3.1.0",
"v3.0.0",
"v2.1.0",
"v2.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-12035.json"
}
}
],
"modified": "2026-10-20T10:50:00.255227718Z",
"provider": "osv",
"references": [
"https://github.com/VirusTotal/yara/issues/891",
"https://bnbdr.github.io/posts/swisscheese/",
"https://github.com/bnbdr/swisscheese"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-12035",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 381133,
"published_at": "2018-06-15T16:29:00.373+00:00"
}