High
Security advisory
An issue has been found in PDF2JSON 0.69. The HtmlString class in ImgOutputDev.cc has Mismatched Memory Management Routines (malloc versus operator delete).
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-14946
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:17 UTC · Revision 1
Source evidence
An issue has been found in PDF2JSON 0.69. The HtmlString class in ImgOutputDev.cc has Mismatched Memory Management Routines (malloc versus operator delete).
osv:CVE-2018-14946
Complete source record
{
"id": "0f9de7bda59cec7071e6c9ab74aff3a3522ecb6968f9db0b6b1c03b04ed3020c",
"url": "https://osv.dev/vulnerability/CVE-2018-14946",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-14946",
"summary": "An issue has been found in PDF2JSON 0.69. The HtmlString class in ImgOutputDev.cc has Mismatched Memory Management Routines (malloc versus operator delete).",
"evidence": "osv:CVE-2018-14946",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-14946",
"aliases": [
"CVE-2018-14946"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/flexpaper/pdf2json",
"type": "GIT",
"events": [
{
"introduced": "490bdce4b4a5fcbe1e5d3b660b1470b857120ed6"
},
{
"last_affected": "490bdce4b4a5fcbe1e5d3b660b1470b857120ed6"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:flowpaper:pdf2json:0.69:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.69"
},
{
"last_affected": "0.69"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"0.69",
"v0.69"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-14946.json"
}
}
],
"modified": "2026-10-20T10:50:02.603163194Z",
"provider": "osv",
"references": [
"https://github.com/flexpaper/pdf2json/issues/19",
"https://github.com/fouzhe/security/tree/master/pdf2json#alloc_dealloc_mismatch-in-function-htmlstring"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-14946",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 381180,
"published_at": "2018-08-05T18:29:00.553+00:00"
}