ubuntu-cve-2025-11964
Vulnerability from osv_ubuntu
Published
2026-01-02 00:00
Modified
2026-01-02 00:00
Summary
Details
On Windows only, if libpcap needs to convert a Windows error message to UTF-8 and the message includes characters that UTF-8 represents using 4 bytes, utf_16le_to_utf_8_truncated() can write data beyond the end of the provided buffer.
Severity
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libpcap-dev",
"binary_version": "1.5.3-2ubuntu0.1"
},
{
"binary_name": "libpcap0.8",
"binary_version": "1.5.3-2ubuntu0.1"
},
{
"binary_name": "libpcap0.8-dev",
"binary_version": "1.5.3-2ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "libpcap",
"purl": "pkg:deb/ubuntu/libpcap@1.5.3-2ubuntu0.1?arch=source\u0026distro=esm-infra-legacy/trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.4.0-2",
"1.5.1-1",
"1.5.2-1",
"1.5.3-1",
"1.5.3-2",
"1.5.3-2ubuntu0.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libpcap-dev",
"binary_version": "1.7.4-2ubuntu0.1"
},
{
"binary_name": "libpcap0.8",
"binary_version": "1.7.4-2ubuntu0.1"
},
{
"binary_name": "libpcap0.8-dev",
"binary_version": "1.7.4-2ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "libpcap",
"purl": "pkg:deb/ubuntu/libpcap@1.7.4-2ubuntu0.1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.7.4-1",
"1.7.4-2",
"1.7.4-2ubuntu0.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libpcap-dev",
"binary_version": "1.8.1-6ubuntu1.18.04.2"
},
{
"binary_name": "libpcap0.8",
"binary_version": "1.8.1-6ubuntu1.18.04.2"
},
{
"binary_name": "libpcap0.8-dev",
"binary_version": "1.8.1-6ubuntu1.18.04.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "libpcap",
"purl": "pkg:deb/ubuntu/libpcap@1.8.1-6ubuntu1.18.04.2?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.8.1-5ubuntu1",
"1.8.1-6ubuntu1",
"1.8.1-6ubuntu1.18.04.1",
"1.8.1-6ubuntu1.18.04.2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libpcap-dev",
"binary_version": "1.9.1-3ubuntu1.20.04.1"
},
{
"binary_name": "libpcap0.8",
"binary_version": "1.9.1-3ubuntu1.20.04.1"
},
{
"binary_name": "libpcap0.8-dev",
"binary_version": "1.9.1-3ubuntu1.20.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "libpcap",
"purl": "pkg:deb/ubuntu/libpcap@1.9.1-3ubuntu1.20.04.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.9.1-2",
"1.9.1-3",
"1.9.1-3ubuntu1.20.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libpcap-dev",
"binary_version": "1.10.1-4ubuntu1.22.04.1"
},
{
"binary_name": "libpcap0.8",
"binary_version": "1.10.1-4ubuntu1.22.04.1"
},
{
"binary_name": "libpcap0.8-dev",
"binary_version": "1.10.1-4ubuntu1.22.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "libpcap",
"purl": "pkg:deb/ubuntu/libpcap@1.10.1-4ubuntu1.22.04.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.10.0-2build1",
"1.10.1-4",
"1.10.1-4build1",
"1.10.1-4ubuntu1.22.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libpcap-dev",
"binary_version": "1.10.4-4.1ubuntu3"
},
{
"binary_name": "libpcap0.8-dev",
"binary_version": "1.10.4-4.1ubuntu3"
},
{
"binary_name": "libpcap0.8t64",
"binary_version": "1.10.4-4.1ubuntu3"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "libpcap",
"purl": "pkg:deb/ubuntu/libpcap@1.10.4-4.1ubuntu3?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.10.4-4",
"1.10.4-4ubuntu3",
"1.10.4-4.1ubuntu2",
"1.10.4-4.1ubuntu3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libpcap-dev",
"binary_version": "1.10.5-2ubuntu2"
},
{
"binary_name": "libpcap0.8-dev",
"binary_version": "1.10.5-2ubuntu2"
},
{
"binary_name": "libpcap0.8t64",
"binary_version": "1.10.5-2ubuntu2"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "libpcap",
"purl": "pkg:deb/ubuntu/libpcap@1.10.5-2ubuntu2?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.10.5-2ubuntu1",
"1.10.5-2ubuntu2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libpcap-dev",
"binary_version": "1.10.5-2ubuntu1"
},
{
"binary_name": "libpcap0.8-dev",
"binary_version": "1.10.5-2ubuntu1"
},
{
"binary_name": "libpcap0.8t64",
"binary_version": "1.10.5-2ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.04",
"name": "libpcap",
"purl": "pkg:deb/ubuntu/libpcap@1.10.5-2ubuntu1?arch=source\u0026distro=plucky"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.10.5-1ubuntu1",
"1.10.5-2ubuntu1"
]
}
],
"aliases": [],
"details": "On Windows only, if libpcap needs to convert a Windows error message to UTF-8 and the message includes characters that UTF-8 represents using 4 bytes, utf_16le_to_utf_8_truncated() can write data beyond the end of the provided buffer.",
"id": "UBUNTU-CVE-2025-11964",
"modified": "2026-01-02T00:00:00Z",
"published": "2026-01-02T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-11964"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-11964"
},
{
"type": "REPORT",
"url": "https://github.com/the-tcpdump-group/libpcap/commit/7fabf607f2319a36a0bd78444247180acb838e69"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2025-11964"
],
"withdrawn": "2026-01-06T05:20:10Z"
}
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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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