ubuntu-cve-2025-11961
Vulnerability from osv_ubuntu
Published
2025-12-31 01:15
Modified
2026-05-20 15:16
Summary
Details
pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer. The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented. If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.
Severity
N/A (UNKNOWN)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libpcap0.8",
"binary_version": "1.5.3-2ubuntu0.1"
}
],
"priority_reason": "Function not used directly by other Ubuntu packages"
},
"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": "libpcap0.8",
"binary_version": "1.7.4-2ubuntu0.1"
}
],
"priority_reason": "Function not used directly by other Ubuntu packages"
},
"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": "libpcap0.8",
"binary_version": "1.8.1-6ubuntu1.18.04.2"
}
],
"priority_reason": "Function not used directly by other Ubuntu packages"
},
"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": "libpcap0.8",
"binary_version": "1.9.1-3ubuntu1.20.04.1"
}
],
"priority_reason": "Function not used directly by other Ubuntu packages"
},
"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": "libpcap0.8",
"binary_version": "1.10.1-4ubuntu1.22.04.1"
}
],
"priority_reason": "Function not used directly by other Ubuntu packages"
},
"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": "libpcap0.8t64",
"binary_version": "1.10.4-4.1ubuntu3"
}
],
"priority_reason": "Function not used directly by other Ubuntu packages"
},
"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": "libpcap0.8t64",
"binary_version": "1.10.5-2ubuntu2"
}
],
"priority_reason": "Function not used directly by other Ubuntu packages"
},
"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": "libpcap0.8t64",
"binary_version": "1.10.6-1ubuntu1"
}
],
"priority_reason": "Function not used directly by other Ubuntu packages"
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "libpcap",
"purl": "pkg:deb/ubuntu/libpcap@1.10.6-1ubuntu1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.10.5-2ubuntu2",
"1.10.5-2ubuntu3",
"1.10.6-1ubuntu1"
]
}
],
"aliases": [],
"details": "pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer. The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented. If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.",
"id": "UBUNTU-CVE-2025-11961",
"modified": "2026-05-20T15:16:01Z",
"published": "2025-12-31T01:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-11961"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-11961"
}
],
"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": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2025-11961"
]
}
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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 |
|---|
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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