ubuntu-cve-2025-49809
Vulnerability from osv_ubuntu
Published
2025-07-04 13:15
Modified
2026-05-20 15:22
Summary
Details
mtr through 0.95, in certain privileged contexts, mishandles execution of a program specified by the MTR_PACKET environment variable. NOTE: mtr on macOS may often have Sudo rules, as an indirect consequence of Homebrew not installing setuid binaries.
Severity
7.8 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mtr",
"binary_version": "0.85-2"
},
{
"binary_name": "mtr-tiny",
"binary_version": "0.85-2"
}
],
"priority_reason": "Requires bad sudo configuration"
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "mtr",
"purl": "pkg:deb/ubuntu/mtr@0.85-2?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.85-1",
"0.85-2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mtr",
"binary_version": "0.86-1ubuntu0.1"
},
{
"binary_name": "mtr-tiny",
"binary_version": "0.86-1ubuntu0.1"
}
],
"priority_reason": "Requires bad sudo configuration"
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "mtr",
"purl": "pkg:deb/ubuntu/mtr@0.86-1ubuntu0.1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.85-3",
"0.86-1",
"0.86-1ubuntu0.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mtr",
"binary_version": "0.92-1"
},
{
"binary_name": "mtr-tiny",
"binary_version": "0.92-1"
}
],
"priority_reason": "Requires bad sudo configuration"
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "mtr",
"purl": "pkg:deb/ubuntu/mtr@0.92-1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.87-1",
"0.92-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mtr",
"binary_version": "0.93-1"
},
{
"binary_name": "mtr-tiny",
"binary_version": "0.93-1"
}
],
"priority_reason": "Requires bad sudo configuration"
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "mtr",
"purl": "pkg:deb/ubuntu/mtr@0.93-1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.93-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mtr",
"binary_version": "0.95-1"
},
{
"binary_name": "mtr-tiny",
"binary_version": "0.95-1"
}
],
"priority_reason": "Requires bad sudo configuration"
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "mtr",
"purl": "pkg:deb/ubuntu/mtr@0.95-1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.94-1build1",
"0.94-2ubuntu1",
"0.95-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mtr",
"binary_version": "0.95-1.1ubuntu0.1"
},
{
"binary_name": "mtr-tiny",
"binary_version": "0.95-1.1ubuntu0.1"
}
],
"priority_reason": "Requires bad sudo configuration"
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "mtr",
"purl": "pkg:deb/ubuntu/mtr@0.95-1.1ubuntu0.1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.95-1",
"0.95-1.1",
"0.95-1.1build1",
"0.95-1.1build2",
"0.95-1.1ubuntu0.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mtr",
"binary_version": "0.95-1.1ubuntu1"
},
{
"binary_name": "mtr-tiny",
"binary_version": "0.95-1.1ubuntu1"
}
],
"priority_reason": "Requires bad sudo configuration"
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "mtr",
"purl": "pkg:deb/ubuntu/mtr@0.95-1.1ubuntu1?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.95-1.1ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "mtr",
"binary_version": "0.95-1.1ubuntu2"
},
{
"binary_name": "mtr-tiny",
"binary_version": "0.95-1.1ubuntu2"
}
],
"priority_reason": "Requires bad sudo configuration"
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "mtr",
"purl": "pkg:deb/ubuntu/mtr@0.95-1.1ubuntu2?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.95-1.1ubuntu1",
"0.95-1.1ubuntu2"
]
}
],
"aliases": [],
"details": "mtr through 0.95, in certain privileged contexts, mishandles execution of a program specified by the MTR_PACKET environment variable. NOTE: mtr on macOS may often have Sudo rules, as an indirect consequence of Homebrew not installing setuid binaries.",
"id": "UBUNTU-CVE-2025-49809",
"modified": "2026-05-20T15:22:53Z",
"published": "2025-07-04T13:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-49809"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-49809"
},
{
"type": "REPORT",
"url": "https://github.com/traviscross/mtr/blob/master/SECURITY"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2025-49809"
]
}
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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.
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