UBUNTU-CVE-2026-75432 (CVE-2026-75432)
Vulnerability from osv_ubuntu – Published: 2026-09-22 20:17 – Updated: 2026-09-22 20:17 – Source website
VLAI
Details
An issue in yaml-cpp 0.9.0 allows a remote attacker to obtain sensitive information via the src/scanner.cpp, Scanner::PopIndent(), and Scanner::PushIndentTo() components
Severity
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libyaml-cpp0.5",
"binary_version": "0.5.1-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "yaml-cpp",
"purl": "pkg:deb/ubuntu/yaml-cpp@0.5.1-1?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.3.0-1",
"0.5.1-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libyaml-cpp0.5v5",
"binary_version": "0.5.2-4ubuntu1~16.04.4"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "yaml-cpp",
"purl": "pkg:deb/ubuntu/yaml-cpp@0.5.2-4ubuntu1~16.04.4?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.5.2-2",
"0.5.2-3",
"0.5.2-4ubuntu1~16.04.4"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libyaml-cpp0.5v5",
"binary_version": "0.5.2-4ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "yaml-cpp",
"purl": "pkg:deb/ubuntu/yaml-cpp@0.5.2-4ubuntu1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.5.2-4ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libyaml-cpp0.6",
"binary_version": "0.6.2-4ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "yaml-cpp",
"purl": "pkg:deb/ubuntu/yaml-cpp@0.6.2-4ubuntu1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.6.2-4fakesync1",
"0.6.2-4ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libyaml-cpp0.7",
"binary_version": "0.7.0+dfsg-8build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "yaml-cpp",
"purl": "pkg:deb/ubuntu/yaml-cpp@0.7.0+dfsg-8build1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.6.3-10",
"0.6.3-10build1",
"0.7.0+dfsg-8",
"0.7.0+dfsg-8build1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libyaml-cpp0.8",
"binary_version": "0.8.0+dfsg-6build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "yaml-cpp",
"purl": "pkg:deb/ubuntu/yaml-cpp@0.8.0+dfsg-6build1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.8.0+dfsg-3",
"0.8.0+dfsg-6",
"0.8.0+dfsg-6build1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libyaml-cpp0.8",
"binary_version": "0.8.0+dfsg-9"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "yaml-cpp",
"purl": "pkg:deb/ubuntu/yaml-cpp@0.8.0+dfsg-9?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.8.0+dfsg-7",
"0.8.0+dfsg-9"
]
}
],
"aliases": [],
"details": "An issue in yaml-cpp 0.9.0 allows a remote attacker to obtain sensitive information via the src/scanner.cpp, Scanner::PopIndent(), and Scanner::PushIndentTo() components",
"id": "UBUNTU-CVE-2026-75432",
"modified": "2026-09-22T20:17:00Z",
"published": "2026-09-22T20:17:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-75432"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-75432"
},
{
"type": "REPORT",
"url": "https://github.com/jbeder/yaml-cpp/issues/1475"
},
{
"type": "REPORT",
"url": "https://github.com/jbeder/yaml-cpp/pull/1476"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-75432"
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
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Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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