Medium
Security advisory
The libevt_record_values_read_event() function in libevt_record_values.c in libevt before 2018-03-17 does not properly check for out-of-bounds values of user SID data size, strings size, or data size. NOTE: the vendor has disputed this as described in libyal/libevt issue 5 on GitHub
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-8754
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 09:11 UTC · Revision 1
Source evidence
The libevt_record_values_read_event() function in libevt_record_values.c in libevt before 2018-03-17 does not properly check for out-of-bounds values of user SID data size, strings size, or data size. NOTE: the vendor has disputed this as described in libyal/libevt issue 5 on GitHub
osv:CVE-2018-8754
Complete source record
{
"id": "7aae5a73e219fd45ee87f463972e3281fffd26f7f0f5fc5bd6620dda14e3a74c",
"url": "https://osv.dev/vulnerability/CVE-2018-8754",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-8754",
"summary": "The libevt_record_values_read_event() function in libevt_record_values.c in libevt before 2018-03-17 does not properly check for out-of-bounds values of user SID data size, strings size, or data size. NOTE: the vendor has disputed this as described in libyal/libevt issue 5 on GitHub",
"evidence": "osv:CVE-2018-8754",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-8754",
"aliases": [
"CVE-2018-8754"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/libyal/libevt",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "20180317"
},
{
"fixed": "9d2cc3ca0a1612a6b271abcacffc2e3eea42925e"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:libevt_project:libevt:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "20180317"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "9d2cc3ca0a1612a6b271abcacffc2e3eea42925e"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-8754.json",
"vanir_signatures": [
{
"id": "CVE-2018-8754-3f986883",
"digest": {
"length": 13889,
"function_hash": "328806791920141836097821925494888548548"
},
"source": "https://github.com/libyal/libevt/commit/9d2cc3ca0a1612a6b271abcacffc2e3eea42925e",
"target": {
"file": "libevt/libevt_record_values.c",
"function": "libevt_record_values_read_event"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2018-8754-5dc3ebe1",
"digest": {
"threshold": 0.9,
"line_hashes": [
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]
},
"source": "https://github.com/libyal/libevt/commit/9d2cc3ca0a1612a6b271abcacffc2e3eea42925e",
"target": {
"file": "libevt/libevt_libfvalue.h"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2018-8754-f73e86b8",
"digest": {
"threshold": 0.9,
"line_hashes": [
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]
},
"source": "https://github.com/libyal/libevt/commit/9d2cc3ca0a1612a6b271abcacffc2e3eea42925e",
"target": {
"file": "libevt/libevt_record_values.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-24T14:11:28Z"
}
}
],
"modified": "2026-10-24T14:11:28.930507248Z",
"provider": "osv",
"references": [
"https://www.debian.org/security/2018/dsa-4160",
"https://github.com/libyal/libevt/commit/9d2cc3ca0a1612a6b271abcacffc2e3eea42925e"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-8754",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 443255,
"published_at": "2018-03-18T03:29:00.277+00:00"
}