High
libunivalue — security advisory
UniValue::read() in UniValue before 1.0.5 allow attackers to cause a denial of service (the class internal data reaches an inconsistent state) via input data that triggers an error.
- Products
- libunivalue
- Affected versions
- 1.0.2-3, 1.0.3-4, 1.0.4-2, 1.0.4-2build1, 1.1.1+20191112-1ubuntu1, 1.1.1+20191112-2ubuntu1, 1.1.1+20191112-3ubuntu1, 1.1.1+20191112-4
- Fixed versions
- Not specified
- CVEs
- CVE-2019-18936
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:29 UTC · Revision 1
Source evidence
UniValue::read() in UniValue before 1.0.5 allow attackers to cause a denial of service (the class internal data reaches an inconsistent state) via input data that triggers an error.
osv:UBUNTU-CVE-2019-18936
libunivalue
Fixed versions: Not specified
libunivalue
Fixed versions: Not specified
libunivalue
Fixed versions: Not specified
libunivalue
Fixed versions: Not specified
libunivalue
Fixed versions: Not specified
libunivalue
Fixed versions: Not specified
libunivalue
Fixed versions: Not specified
Complete source record
{
"id": "483d3f4564527bd99fa1cf17760cc4962b9f5a574cdc8dd07aa5f5c7b45c8e88",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2019-18936",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2019-18936",
"summary": "UniValue::read() in UniValue before 1.0.5 allow attackers to cause a denial of service (the class internal data reaches an inconsistent state) via input data that triggers an error.",
"evidence": "osv:UBUNTU-CVE-2019-18936",
"products": [
{
"name": {
"value": "libunivalue",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.0.2-3",
"evidence": "/affected/0/versions"
},
{
"value": "1.0.3-4",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "libunivalue",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.0.4-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.0.4-2build1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "libunivalue",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.1.1+20191112-1ubuntu1",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "libunivalue",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.1.1+20191112-1ubuntu1",
"evidence": "/affected/3/versions"
},
{
"value": "1.1.1+20191112-2ubuntu1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "libunivalue",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.1.1+20191112-3ubuntu1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "libunivalue",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.1.1+20191112-4",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "libunivalue",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.1.1+20191112-3ubuntu1",
"evidence": "/affected/6/versions"
},
{
"value": "1.1.1+20191112-4",
"evidence": "/affected/6/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2019-18936",
"aliases": [
"UBUNTU-CVE-2019-18936"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libunivalue",
"purl": "pkg:deb/ubuntu/libunivalue?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"1.0.2-3",
"1.0.3-4"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-18936.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libunivalue0",
"binary_version": "1.0.3-4"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libunivalue",
"purl": "pkg:deb/ubuntu/libunivalue?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"1.0.4-2",
"1.0.4-2build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-18936.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libunivalue0",
"binary_version": "1.0.4-2build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libunivalue",
"purl": "pkg:deb/ubuntu/libunivalue?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"1.1.1+20191112-1ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-18936.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libunivalue0",
"binary_version": "1.1.1+20191112-1ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libunivalue",
"purl": "pkg:deb/ubuntu/libunivalue?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"1.1.1+20191112-1ubuntu1",
"1.1.1+20191112-2ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-18936.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libunivalue0",
"binary_version": "1.1.1+20191112-2ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libunivalue",
"purl": "pkg:deb/ubuntu/libunivalue?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"1.1.1+20191112-3ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-18936.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libunivalue0",
"binary_version": "1.1.1+20191112-3ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libunivalue",
"purl": "pkg:deb/ubuntu/libunivalue?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"1.1.1+20191112-4"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-18936.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libunivalue0",
"binary_version": "1.1.1+20191112-4"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libunivalue",
"purl": "pkg:deb/ubuntu/libunivalue?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"1.1.1+20191112-3ubuntu1",
"1.1.1+20191112-4"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-18936.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libunivalue0",
"binary_version": "1.1.1+20191112-4"
}
]
}
}
],
"modified": "2026-10-17T12:55:25.337985640Z",
"provider": "osv",
"upstream": [
"CVE-2019-18936"
],
"references": [
"https://ubuntu.com/security/CVE-2019-18936",
"https://github.com/jgarzik/univalue/compare/v1.0.4...v1.0.5",
"https://github.com/jgarzik/univalue/pull/58",
"https://www.cve.org/CVERecord?id=CVE-2019-18936"
]
},
"related_cves": [
{
"value": "CVE-2019-18936",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 353736,
"published_at": "2020-03-21T01:15:00+00:00"
}