CriticalFix available
libpcap — security advisory
pcap-linux.c in libpcap 1.1.1 before commit ea9432fabdf4b33cbc76d9437200e028f1c47c93 when snaplen is set may truncate packets, which might allow remote attackers to send arbitrary data while avoiding detection via crafted packets.
- Products
- libpcap
- Affected versions
- Not specified
- Fixed versions
- 1.1.1-4
- CVEs
- CVE-2011-1935
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:45 UTC · Revision 1
Source evidence
pcap-linux.c in libpcap 1.1.1 before commit ea9432fabdf4b33cbc76d9437200e028f1c47c93 when snaplen is set may truncate packets, which might allow remote attackers to send arbitrary data while avoiding detection via crafted packets.
osv:DEBIAN-CVE-2011-1935
libpcap
Fixed versions: 1.1.1-4
libpcap
Fixed versions: 1.1.1-4
libpcap
Fixed versions: 1.1.1-4
Complete source record
{
"id": "d21af2a43fa316597b649cfdc831719f13f3782138c7fa5a081f66022c973333",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2011-1935",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2011-1935",
"summary": "pcap-linux.c in libpcap 1.1.1 before commit ea9432fabdf4b33cbc76d9437200e028f1c47c93 when snaplen is set may truncate packets, which might allow remote attackers to send arbitrary data while avoiding detection via crafted packets.",
"evidence": "osv:DEBIAN-CVE-2011-1935",
"products": [
{
"name": {
"value": "libpcap",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.1.1-4",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libpcap",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.1.1-4",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libpcap",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.1.1-4",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "critical",
"structured": {
"id": "DEBIAN-CVE-2011-1935",
"aliases": [
"DEBIAN-CVE-2011-1935"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.1-4"
}
]
}
],
"package": {
"name": "libpcap",
"purl": "pkg:deb/debian/libpcap?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1935.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.1-4"
}
]
}
],
"package": {
"name": "libpcap",
"purl": "pkg:deb/debian/libpcap?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1935.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.1-4"
}
]
}
],
"package": {
"name": "libpcap",
"purl": "pkg:deb/debian/libpcap?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1935.json"
},
"ecosystem_specific": {
"urgency": "low"
}
}
],
"modified": "2026-10-23T18:03:44.001391753Z",
"provider": "osv",
"upstream": [
"CVE-2011-1935"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2011-1935"
]
},
"related_cves": [
{
"value": "CVE-2011-1935",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 422164,
"published_at": "2017-10-20T18:29:00.243+00:00"
}