DEBIAN-CVE-2026-31911
libpcap BPF interpreter calls abort() if it encounters a BPF instruction that has an invalid opcode. In particular uncommon use cases a crafted filter program can terminate the OS process.
DEBIAN-CVE-2026-31911
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:DEBIAN-CVE-2026-31911
libpcap
Source reference: /affected/0/package/name
- Affected versions
- 1.10.3-1
Source reference:
/affected/0/versions1.10.4-1Source reference:
/affected/0/versions1.10.4-2Source reference:
/affected/0/versions1.10.4-3Source reference:
/affected/0/versions1.10.4-4Source reference:
/affected/0/versions1.10.4-4.1Source reference:
/affected/0/versions1.10.4-4.1~exp1Source reference:
/affected/0/versions1.10.4-5Source reference:
/affected/0/versions1.10.4-5+hurd.1Source reference:
/affected/0/versions1.10.5-1Source reference:
/affected/0/versions1.10.5-2Source reference:
/affected/0/versions1.10.6-1Source reference:
/affected/0/versions1.10.6-2Source reference:
/affected/0/versions1.10.7-1Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
libpcap
Source reference: /affected/1/package/name
- Affected versions
- 1.10.5-2
Source reference:
/affected/1/versions1.10.6-1Source reference:
/affected/1/versions1.10.6-2Source reference:
/affected/1/versions1.10.7-1Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
libpcap
Source reference: /affected/2/package/name
- Affected versions
- 1.10.5-2
Source reference:
/affected/2/versions1.10.6-1Source reference:
/affected/2/versions1.10.6-2Source reference:
/affected/2/versions - Fixed versions
- 1.10.7-1
Source reference:
/affected/2/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libpcap",
"purl": "pkg:deb/debian/libpcap?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1.10.3-1",
"1.10.4-1",
"1.10.4-2",
"1.10.4-3",
"1.10.4-4",
"1.10.4-4.1",
"1.10.4-4.1~exp1",
"1.10.4-5",
"1.10.4-5+hurd.1",
"1.10.5-1",
"1.10.5-2",
"1.10.6-1",
"1.10.6-2",
"1.10.7-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-31911.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libpcap",
"purl": "pkg:deb/debian/libpcap?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1.10.5-2",
"1.10.6-1",
"1.10.6-2",
"1.10.7-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-31911.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.10.7-1"
}
]
}
],
"package": {
"name": "libpcap",
"purl": "pkg:deb/debian/libpcap?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1.10.5-2",
"1.10.6-1",
"1.10.6-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-31911.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #56739 · Revision 1
- Added to Heist Feed
- Publisher date