Unrated
Security advisory
QPDF v8.4.2 was discovered to contain a heap buffer overflow via the function QPDF::processXRefStream. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2022-34503
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 23:22 UTC · Revision 1
Source evidence
QPDF v8.4.2 was discovered to contain a heap buffer overflow via the function QPDF::processXRefStream. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.
osv:CVE-2022-34503
Complete source record
{
"id": "07b3cf5988df5c51cc09fdc81387f877ad6fcce63ce9d03a73ec4ed99d9ac9d0",
"url": "https://osv.dev/vulnerability/CVE-2022-34503",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2022-34503",
"summary": "QPDF v8.4.2 was discovered to contain a heap buffer overflow via the function QPDF::processXRefStream. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.",
"evidence": "osv:CVE-2022-34503",
"products": [],
"severity": "unknown",
"structured": {
"id": "CVE-2022-34503",
"aliases": [
"CVE-2022-34503"
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/qpdf/qpdf",
"type": "GIT",
"events": [
{
"introduced": "74cc3440df7606c1e48bdbcb0ac5051fe0df0149"
},
{
"last_affected": "74cc3440df7606c1e48bdbcb0ac5051fe0df0149"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:qpdf_project:qpdf:8.4.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.4.2"
},
{
"last_affected": "8.4.2"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"8.4.2",
"release-qpdf-8.4.2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-34503.json"
}
}
],
"modified": "2026-10-28T02:30:24.372949081Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/34xxx/CVE-2022-34503.json",
"https://nvd.nist.gov/vuln/detail/CVE-2022-34503",
"https://github.com/qpdf/qpdf/issues/701"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/34xxx/CVE-2022-34503.json"
}
},
"related_cves": [
{
"value": "CVE-2022-34503",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 490849,
"published_at": "2022-07-22T14:17:21+00:00"
}