ubuntu-cve-2025-7339
Vulnerability from osv_ubuntu
Published
2025-07-17 16:15
Modified
2026-05-20 15:15
Summary
Details
on-headers is a node.js middleware for listening to when a response writes headers. A bug in on-headers versions <1.1.0 may result in response headers being inadvertently modified when an array is passed to response.writeHead(). Users should upgrade to version 1.1.0 to receive a patch. Uses are strongly encouraged to upgrade to 1.1.0, but this issue can be worked around by passing an object to response.writeHead() rather than an array.
Severity
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "node-on-headers",
"binary_version": "1.0.0-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "node-on-headers",
"purl": "pkg:deb/ubuntu/node-on-headers@1.0.0-1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.0.0-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "node-on-headers",
"binary_version": "1.0.0-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "node-on-headers",
"purl": "pkg:deb/ubuntu/node-on-headers@1.0.0-1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.0.0-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "node-on-headers",
"binary_version": "1.0.2-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "node-on-headers",
"purl": "pkg:deb/ubuntu/node-on-headers@1.0.2-1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.0.1-1",
"1.0.2-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "node-on-headers",
"binary_version": "1.0.2-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "node-on-headers",
"purl": "pkg:deb/ubuntu/node-on-headers@1.0.2-2?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.0.2-1",
"1.0.2-2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "node-on-headers",
"binary_version": "1.0.2-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "node-on-headers",
"purl": "pkg:deb/ubuntu/node-on-headers@1.0.2-2?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.0.2-2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "node-on-headers",
"binary_version": "1.0.2-4"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "node-on-headers",
"purl": "pkg:deb/ubuntu/node-on-headers@1.0.2-4?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.0.2-2",
"1.0.2-4"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "node-on-headers",
"binary_version": "1.0.2-4"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "node-on-headers",
"purl": "pkg:deb/ubuntu/node-on-headers@1.0.2-4?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.0.2-4"
]
}
],
"aliases": [],
"details": "on-headers is a node.js middleware for listening to when a response writes headers. A bug in on-headers versions `\u003c1.1.0` may result in response headers being inadvertently modified when an array is passed to `response.writeHead()`.\u00a0Users should upgrade to version 1.1.0 to receive a patch.\u00a0Uses are strongly encouraged to upgrade to `1.1.0`, but this issue can be worked around by passing an object to `response.writeHead()` rather than an array.",
"id": "UBUNTU-CVE-2025-7339",
"modified": "2026-05-20T15:15:59Z",
"published": "2025-07-17T16:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-7339"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-7339"
},
{
"type": "REPORT",
"url": "https://cna.openjsf.org/security-advisories.html"
},
{
"type": "REPORT",
"url": "https://github.com/expressjs/morgan/issues/315"
},
{
"type": "REPORT",
"url": "https://github.com/jshttp/on-headers/security/advisories/GHSA-76c9-3jph-rj3q"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2025-7339"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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 |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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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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