Medium
Security advisory
An issue was discovered in QPDF before 7.0.0. There is an infinite loop in the QPDFWriter::enqueueObject() function in libqpdf/QPDFWriter.cc.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-18183
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:12 UTC · Revision 1
Source evidence
An issue was discovered in QPDF before 7.0.0. There is an infinite loop in the QPDFWriter::enqueueObject() function in libqpdf/QPDFWriter.cc.
osv:CVE-2017-18183
Complete source record
{
"id": "259ba166fb143fbc61c099cbfd101d06730776360d9d417aa2f1bab68c99ed66",
"url": "https://osv.dev/vulnerability/CVE-2017-18183",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-18183",
"summary": "An issue was discovered in QPDF before 7.0.0. There is an infinite loop in the QPDFWriter::enqueueObject() function in libqpdf/QPDFWriter.cc.",
"evidence": "osv:CVE-2017-18183",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2017-18183",
"aliases": [
"CVE-2017-18183"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/qpdf/qpdf",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "0f1ce8e6461d417d1fed2ea4a0cbf27f10ee4eff"
},
{
"fixed": "8249a26d69f72b9cda584c14cc3f12769985e481"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:qpdf_project:qpdf:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "7.0.0"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "8249a26d69f72b9cda584c14cc3f12769985e481"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"release-qpdf-6.0.0",
"release-qpdf-5.2.0",
"release-qpdf-5.1.3",
"release-qpdf-5.1.2",
"release-qpdf-5.1.1",
"release-qpdf-5.1.0",
"release-qpdf-5.0.1",
"release-qpdf-5.0.0",
"release-qpdf-4.2.0",
"release-qpdf-4.1.0",
"release-qpdf-4.0.1",
"release-qpdf-4.0.0",
"release-qpdf-3.0.2",
"release-qpdf-3.0.1",
"release-qpdf-3.0.0",
"release-qpdf-3.0.rc1",
"release-qpdf-2.3.1",
"release-qpdf-2.3.0",
"release-qpdf-2.2.4",
"release-qpdf-2.2.3",
"release-qpdf-2.2.2",
"release-qpdf-2.2.1",
"release-qpdf-2.2.0",
"release-qpdf-2.2.rc1",
"release-qpdf-2.1.5",
"release-qpdf-2.1.4",
"release-qpdf-2.1.3",
"release-qpdf-2.1.2",
"release-qpdf-2.1.1",
"release-qpdf-2.1",
"release-qpdf-2.1.rc1",
"release-qpdf-2.0.6",
"release-qpdf-2.0.5",
"release-qpdf-2.0.4",
"release-qpdf-2.0.3",
"release-qpdf-2.0.2",
"release-qpdf-2.0.1",
"release-qpdf-2.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-18183.json",
"vanir_signatures": [
{
"id": "CVE-2017-18183-77fbf1ae",
"digest": {
"length": 1450,
"function_hash": "184089771994045095962185382662848846330"
},
"source": "https://github.com/qpdf/qpdf/commit/8249a26d69f72b9cda584c14cc3f12769985e481",
"target": {
"file": "libqpdf/QPDFWriter.cc",
"function": "QPDFWriter::enqueueObject"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2017-18183-9218c2a5",
"digest": {
"threshold": 0.9,
"line_hashes": [
"78122971361805216513325185650823995948",
"289084884134905756271595066312586509022",
"108533816704163507562458597112410082940",
"27048527550166131162142414784945091009"
]
},
"source": "https://github.com/qpdf/qpdf/commit/0f1ce8e6461d417d1fed2ea4a0cbf27f10ee4eff",
"target": {
"file": "libqpdf/QPDF.cc"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2017-18183-d1c000cd",
"digest": {
"threshold": 0.9,
"line_hashes": [
"22323103765301693365547849556103358083",
"122632532649859287921196439806933543581",
"286319865858786830396529952027441885495",
"158448888121874046825453410743867703396",
"232448910327396829598690509556039849936",
"108587633537507210242609878158511307392",
"99195539377686492981065918523367000707",
"186695509163228892404047727026817930733"
]
},
"source": "https://github.com/qpdf/qpdf/commit/8249a26d69f72b9cda584c14cc3f12769985e481",
"target": {
"file": "libqpdf/QPDFWriter.cc"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T13:21:17Z"
}
}
],
"modified": "2026-10-20T13:21:17.452902286Z",
"provider": "osv",
"references": [
"https://usn.ubuntu.com/3638-1/",
"https://github.com/qpdf/qpdf/issues/143",
"https://github.com/qpdf/qpdf/commit/8249a26d69f72b9cda584c14cc3f12769985e481"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2017-18183",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 387555,
"published_at": "2018-02-13T19:29:00.307+00:00"
}