USN-8824-1

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Source
https://ubuntu.com/security/notices/USN-8824-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8824-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8824-1
Upstream
Related
Published
2026-09-25T08:50:02Z
Modified
2026-09-25T17:57:55Z
Summary
libpcap vulnerability
Details

It was discovered that libpcap did not properly validate BPF instructions in some situation. An attacker could possibly use this issue to perform out of bound memory operations.

References

Affected packages

Ubuntu:22.04:LTS
libpcap

Package

Name
libpcap
Purl
pkg:deb/ubuntu/libpcap?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.10.1-4ubuntu1.22.04.2

Affected versions

1.*
1.10.0-2build1
1.10.1-4
1.10.1-4build1
1.10.1-4ubuntu1.22.04.1

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "libpcap0.8",
            "binary_version":  "1.10.1-4ubuntu1.22.04.2"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2026-0799",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:22.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8824-1.json"
Ubuntu:24.04:LTS
libpcap

Package

Name
libpcap
Purl
pkg:deb/ubuntu/libpcap?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.10.4-4.1ubuntu3.1

Affected versions

1.*
1.10.4-4
1.10.4-4ubuntu3
1.10.4-4.1ubuntu2
1.10.4-4.1ubuntu3

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "libpcap0.8t64",
            "binary_version":  "1.10.4-4.1ubuntu3.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2026-0799",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8824-1.json"
Ubuntu:26.04:LTS
libpcap

Package

Name
libpcap
Purl
pkg:deb/ubuntu/libpcap?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.10.6-1ubuntu1.1

Affected versions

1.*
1.10.5-2ubuntu2
1.10.5-2ubuntu3
1.10.6-1ubuntu1

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "libpcap0.8t64",
            "binary_version":  "1.10.6-1ubuntu1.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2026-0799",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:26.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8824-1.json"
Ubuntu:Pro:14.04:LTS
libpcap

Package

Name
libpcap
Purl
pkg:deb/ubuntu/libpcap?arch=source&distro=esm-infra-legacy%2Ftrusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.5.3-2ubuntu0.1+esm1

Affected versions

1.*
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 

{
    "availability":  "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "libpcap0.8",
            "binary_version":  "1.5.3-2ubuntu0.1+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2026-0799",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:Pro:14.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8824-1.json"
Ubuntu:Pro:16.04:LTS
libpcap

Package

Name
libpcap
Purl
pkg:deb/ubuntu/libpcap?arch=source&distro=esm-infra-legacy%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.7.4-2ubuntu0.1+esm1

Affected versions

1.*
1.7.4-1
1.7.4-2
1.7.4-2ubuntu0.1

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "libpcap0.8",
            "binary_version":  "1.7.4-2ubuntu0.1+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2026-0799",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:Pro:16.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8824-1.json"
Ubuntu:Pro:18.04:LTS
libpcap

Package

Name
libpcap
Purl
pkg:deb/ubuntu/libpcap?arch=source&distro=esm-infra%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.8.1-6ubuntu1.18.04.2+esm1

Affected versions

1.*
1.8.1-5ubuntu1
1.8.1-6ubuntu1
1.8.1-6ubuntu1.18.04.1
1.8.1-6ubuntu1.18.04.2

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "libpcap0.8",
            "binary_version":  "1.8.1-6ubuntu1.18.04.2+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2026-0799",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:Pro:18.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8824-1.json"
Ubuntu:Pro:20.04:LTS
libpcap

Package

Name
libpcap
Purl
pkg:deb/ubuntu/libpcap?arch=source&distro=esm-infra%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.9.1-3ubuntu1.20.04.1+esm1

Affected versions

1.*
1.9.1-2
1.9.1-3
1.9.1-3ubuntu1.20.04.1

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "libpcap0.8",
            "binary_version":  "1.9.1-3ubuntu1.20.04.1+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2026-0799",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:Pro:20.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8824-1.json"