Critical
Security advisory
cJSON before 1.7.11 allows out-of-bounds access, related to \x00 in a string literal.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-11834
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:33 UTC · Revision 1
Source evidence
cJSON before 1.7.11 allows out-of-bounds access, related to \x00 in a string literal.
osv:CVE-2019-11834
Complete source record
{
"id": "0dfb37f74958b23a53ab06cf022628041c3b1b0f08e5a520e2a977b0228d9422",
"url": "https://osv.dev/vulnerability/CVE-2019-11834",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-11834",
"summary": "cJSON before 1.7.11 allows out-of-bounds access, related to \\x00 in a string literal.",
"evidence": "osv:CVE-2019-11834",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2019-11834",
"aliases": [
"CVE-2019-11834"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/davegamble/cjson",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "93688cbe72b190300d1be6b98e86b772df9b9ead"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:davegamble:cjson:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.7.11"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "93688cbe72b190300d1be6b98e86b772df9b9ead"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v1.7.11"
}
]
}
}
],
"versions": [
"v1.7.10",
"v1.7.9",
"v1.7.8",
"v1.7.7",
"v1.7.6",
"v1.7.5",
"v1.7.4",
"v1.7.3",
"v1.7.2",
"v1.7.1",
"v1.7.0",
"v1.6.0",
"v1.5.9",
"v1.5.8",
"v1.5.7",
"v1.5.6",
"v1.5.5",
"v1.5.4",
"v1.5.3",
"v1.5.2",
"v1.5.1",
"v1.5.0",
"v1.4.7",
"v1.4.6",
"v1.4.5",
"v1.4.4",
"v1.4.3",
"v1.4.2",
"v1.4.1",
"v1.4.0",
"v1.3.2",
"v1.3.1",
"v1.3.0",
"v1.2.1",
"v1.2.0",
"v1.1.0",
"v1.0.2",
"v1.0.1",
"v1.0.0",
"v0.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11834.json"
}
}
],
"modified": "2026-10-20T10:50:39.151236232Z",
"provider": "osv",
"references": [
"https://github.com/DaveGamble/cJSON/releases/tag/v1.7.11",
"https://github.com/DaveGamble/cJSON/compare/c69134d...93688cb",
"https://www.oracle.com/security-alerts/cpuoct2020.html",
"https://github.com/DaveGamble/cJSON/issues/337"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:oracle:timesten_in-memory_database:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:timesten_in-memory_database",
"extracted_events": [
{
"range": [
{
"fixed": "18.1.3.1.0"
}
],
"source": "CPE_RANGE"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2019-11834",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 381955,
"published_at": "2019-05-09T05:29:02.037+00:00"
}