Unrated
jsmn — security advisory
Buffer Overflow vulnerability in zserge jsmn jsmn HEAD 25647e6 allows a remote attacker to cause a denial of service via the jsmn.h, jsmn_parse(), example/jsondump.c, dump() components
- Products
- jsmn
- Affected versions
- 1.1.0-2, 1.1.0-2build1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-95117
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 03:34 UTC · Revision 1
Source evidence
Buffer Overflow vulnerability in zserge jsmn jsmn HEAD 25647e6 allows a remote attacker to cause a denial of service via the jsmn.h, jsmn_parse(), example/jsondump.c, dump() components
osv:UBUNTU-CVE-2026-95117
jsmn
Fixed versions: Not specified
jsmn
Fixed versions: Not specified
jsmn
Fixed versions: Not specified
jsmn
Fixed versions: Not specified
Complete source record
{
"id": "b2a1ca615662b285b02999718542c59effd393618979a8a495ffee00097371f1",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-95117",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-95117",
"summary": "Buffer Overflow vulnerability in zserge jsmn jsmn HEAD 25647e6 allows a remote attacker to cause a denial of service via the jsmn.h, jsmn_parse(), example/jsondump.c, dump() components",
"evidence": "osv:UBUNTU-CVE-2026-95117",
"products": [
{
"name": {
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"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.1.0-2",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "jsmn",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
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"evidence": "/affected/1/versions"
}
]
},
{
"name": {
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"evidence": "/affected/2/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
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"evidence": "/affected/2/versions"
}
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},
{
"name": {
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},
"prerequisites": [],
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"affected_versions": [
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},
{
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"evidence": "/affected/3/versions"
}
]
}
],
"severity": "unknown",
"structured": {
"id": "UBUNTU-CVE-2026-95117",
"aliases": [
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],
"metrics": [
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
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],
"package": {
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"purl": "pkg:deb/ubuntu/jsmn?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
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],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95117.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libjsmn-dev",
"binary_version": "1.1.0-2"
}
]
}
},
{
"ranges": [
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"type": "ECOSYSTEM",
"events": [
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],
"package": {
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"purl": "pkg:deb/ubuntu/jsmn?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"1.1.0-2"
],
"database_specific": {
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},
"ecosystem_specific": {
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{
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"package": {
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"purl": "pkg:deb/ubuntu/jsmn?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"1.1.0-2build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95117.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libjsmn-dev",
"binary_version": "1.1.0-2build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
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"introduced": "0"
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],
"package": {
"name": "jsmn",
"purl": "pkg:deb/ubuntu/jsmn?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"1.1.0-2",
"1.1.0-2build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-95117.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libjsmn-dev",
"binary_version": "1.1.0-2build1"
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]
}
}
],
"modified": "2026-10-17T13:01:19.431019668Z",
"provider": "osv",
"upstream": [
"CVE-2026-95117"
],
"references": [
"https://ubuntu.com/security/CVE-2026-95117",
"https://www.cve.org/CVERecord?id=CVE-2026-95117",
"https://gist.github.com/1820893135-pixel/905399dd927376f7d655e6b01067fd8e",
"https://github.com/zserge/jsmn/issues/249",
"https://github.com/zserge/jsmn/pull/250",
"https://github.com/zserge/jsmn/pull/250/changes/320e3348d22a819be95b755af39cd35097707ad0"
]
},
"related_cves": [
{
"value": "CVE-2026-95117",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 361671,
"published_at": "2026-10-13T15:17:00+00:00"
}