UBUNTU-CVE-2026-76879

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Source
https://ubuntu.com/security/CVE-2026-76879
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-76879.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2026-76879
Upstream
Published
2026-08-19T23:16:00Z
Modified
2026-09-02T16:27:47Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

References

Affected packages

Ubuntu:24.04:LTS
wireshark

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

4.*
4.0.8-1
4.0.10-1
4.0.11-1
4.2.0-1
4.2.2-1
4.2.2-1.1build1
4.2.2-1.1build2
4.2.2-1.1build3

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libwireshark-data",
            "binary_version":  "4.2.2-1.1build3"
        },
        {
            "binary_name":  "libwireshark17t64",
            "binary_version":  "4.2.2-1.1build3"
        },
        {
            "binary_name":  "libwiretap14t64",
            "binary_version":  "4.2.2-1.1build3"
        },
        {
            "binary_name":  "libwsutil15t64",
            "binary_version":  "4.2.2-1.1build3"
        },
        {
            "binary_name":  "tshark",
            "binary_version":  "4.2.2-1.1build3"
        },
        {
            "binary_name":  "wireshark",
            "binary_version":  "4.2.2-1.1build3"
        },
        {
            "binary_name":  "wireshark-common",
            "binary_version":  "4.2.2-1.1build3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-76879.json"
Ubuntu:26.04:LTS
wireshark

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

4.*
4.4.7-1
4.6.0-1
4.6.1-2
4.6.2-3
4.6.3-1
4.6.4-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libwireshark-data",
            "binary_version":  "4.6.4-1"
        },
        {
            "binary_name":  "libwireshark19",
            "binary_version":  "4.6.4-1"
        },
        {
            "binary_name":  "libwiretap16",
            "binary_version":  "4.6.4-1"
        },
        {
            "binary_name":  "libwsutil17",
            "binary_version":  "4.6.4-1"
        },
        {
            "binary_name":  "stratoshark",
            "binary_version":  "0.9.4-1"
        },
        {
            "binary_name":  "tshark",
            "binary_version":  "4.6.4-1"
        },
        {
            "binary_name":  "wireshark",
            "binary_version":  "4.6.4-1"
        },
        {
            "binary_name":  "wireshark-common",
            "binary_version":  "4.6.4-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-76879.json"
Ubuntu:Pro:14.04:LTS
wireshark

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.10.2-1
1.10.3-1
1.10.5-1ubuntu1
1.10.5-2
1.10.6-1
1.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.1
2.*
2.6.3-1~ubuntu14.04.1
2.6.4-2~ubuntu14.04.1
2.6.5-1~ubuntu14.04.1
2.6.6-1~ubuntu14.04.0
2.6.8-1~ubuntu14.04.0~esm1
2.6.10-1~ubuntu14.04.0~esm1
2.6.10-1~ubuntu14.04.0~esm2
2.6.10-1~ubuntu14.04.0~esm3

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libwireshark-data",
            "binary_version":  "2.6.10-1~ubuntu14.04.0~esm3"
        },
        {
            "binary_name":  "libwireshark11",
            "binary_version":  "2.6.10-1~ubuntu14.04.0~esm3"
        },
        {
            "binary_name":  "libwiretap8",
            "binary_version":  "2.6.10-1~ubuntu14.04.0~esm3"
        },
        {
            "binary_name":  "libwscodecs2",
            "binary_version":  "2.6.10-1~ubuntu14.04.0~esm3"
        },
        {
            "binary_name":  "libwsutil9",
            "binary_version":  "2.6.10-1~ubuntu14.04.0~esm3"
        },
        {
            "binary_name":  "tshark",
            "binary_version":  "2.6.10-1~ubuntu14.04.0~esm3"
        },
        {
            "binary_name":  "wireshark",
            "binary_version":  "2.6.10-1~ubuntu14.04.0~esm3"
        },
        {
            "binary_name":  "wireshark-common",
            "binary_version":  "2.6.10-1~ubuntu14.04.0~esm3"
        },
        {
            "binary_name":  "wireshark-gtk",
            "binary_version":  "2.6.10-1~ubuntu14.04.0~esm3"
        },
        {
            "binary_name":  "wireshark-qt",
            "binary_version":  "2.6.10-1~ubuntu14.04.0~esm3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-76879.json"
Ubuntu:Pro:16.04:LTS
wireshark

Package

Name
wireshark
Purl
pkg:deb/ubuntu/wireshark?arch=source&distro=esm-apps%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.12.7+g7fc8978-1
1.12.8+g5b6e543-2
2.*
2.0.1+g59ea380-3build1
2.0.2+ga16e22e-1
2.2.6+g32dac6a-2ubuntu0.16.04
2.6.3-1~ubuntu16.04.1
2.6.4-2~ubuntu16.04.0
2.6.5-1~ubuntu16.04.0
2.6.6-1~ubuntu16.04.0
2.6.8-1~ubuntu16.04.0
2.6.10-1~ubuntu16.04.0
2.6.10-1~ubuntu16.04.0+esm1
2.6.10-1~ubuntu16.04.0+esm2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libwireshark-data",
            "binary_version":  "2.6.10-1~ubuntu16.04.0+esm2"
        },
        {
            "binary_name":  "libwireshark11",
            "binary_version":  "2.6.10-1~ubuntu16.04.0+esm2"
        },
        {
            "binary_name":  "libwiretap8",
            "binary_version":  "2.6.10-1~ubuntu16.04.0+esm2"
        },
        {
            "binary_name":  "libwscodecs2",
            "binary_version":  "2.6.10-1~ubuntu16.04.0+esm2"
        },
        {
            "binary_name":  "libwsutil9",
            "binary_version":  "2.6.10-1~ubuntu16.04.0+esm2"
        },
        {
            "binary_name":  "tshark",
            "binary_version":  "2.6.10-1~ubuntu16.04.0+esm2"
        },
        {
            "binary_name":  "wireshark",
            "binary_version":  "2.6.10-1~ubuntu16.04.0+esm2"
        },
        {
            "binary_name":  "wireshark-common",
            "binary_version":  "2.6.10-1~ubuntu16.04.0+esm2"
        },
        {
            "binary_name":  "wireshark-gtk",
            "binary_version":  "2.6.10-1~ubuntu16.04.0+esm2"
        },
        {
            "binary_name":  "wireshark-qt",
            "binary_version":  "2.6.10-1~ubuntu16.04.0+esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-76879.json"
Ubuntu:Pro:18.04:LTS
wireshark

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.4.2-1
2.4.3-1
2.4.4-1
2.4.5-1
2.6.3-1~ubuntu18.04.1
2.6.4-2~ubuntu18.04.0
2.6.5-1~ubuntu18.04.0
2.6.6-1~ubuntu18.04.0
2.6.8-1~ubuntu18.04.0
2.6.10-1~ubuntu18.04.0
2.6.10-1~ubuntu18.04.0+esm1
2.6.10-1~ubuntu18.04.0+esm2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libwireshark-data",
            "binary_version":  "2.6.10-1~ubuntu18.04.0+esm2"
        },
        {
            "binary_name":  "libwireshark11",
            "binary_version":  "2.6.10-1~ubuntu18.04.0+esm2"
        },
        {
            "binary_name":  "libwiretap8",
            "binary_version":  "2.6.10-1~ubuntu18.04.0+esm2"
        },
        {
            "binary_name":  "libwscodecs2",
            "binary_version":  "2.6.10-1~ubuntu18.04.0+esm2"
        },
        {
            "binary_name":  "libwsutil9",
            "binary_version":  "2.6.10-1~ubuntu18.04.0+esm2"
        },
        {
            "binary_name":  "tshark",
            "binary_version":  "2.6.10-1~ubuntu18.04.0+esm2"
        },
        {
            "binary_name":  "wireshark",
            "binary_version":  "2.6.10-1~ubuntu18.04.0+esm2"
        },
        {
            "binary_name":  "wireshark-common",
            "binary_version":  "2.6.10-1~ubuntu18.04.0+esm2"
        },
        {
            "binary_name":  "wireshark-gtk",
            "binary_version":  "2.6.10-1~ubuntu18.04.0+esm2"
        },
        {
            "binary_name":  "wireshark-qt",
            "binary_version":  "2.6.10-1~ubuntu18.04.0+esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-76879.json"
Ubuntu:Pro:20.04:LTS
wireshark

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.0.5-1
3.0.7-1
3.2.1-1
3.2.2-1
3.2.3-1
3.2.3-1ubuntu0.1~esm1
3.2.3-1ubuntu0.1~esm2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libwireshark-data",
            "binary_version":  "3.2.3-1ubuntu0.1~esm2"
        },
        {
            "binary_name":  "libwireshark13",
            "binary_version":  "3.2.3-1ubuntu0.1~esm2"
        },
        {
            "binary_name":  "libwiretap10",
            "binary_version":  "3.2.3-1ubuntu0.1~esm2"
        },
        {
            "binary_name":  "libwsutil11",
            "binary_version":  "3.2.3-1ubuntu0.1~esm2"
        },
        {
            "binary_name":  "tshark",
            "binary_version":  "3.2.3-1ubuntu0.1~esm2"
        },
        {
            "binary_name":  "wireshark",
            "binary_version":  "3.2.3-1ubuntu0.1~esm2"
        },
        {
            "binary_name":  "wireshark-common",
            "binary_version":  "3.2.3-1ubuntu0.1~esm2"
        },
        {
            "binary_name":  "wireshark-gtk",
            "binary_version":  "3.2.3-1ubuntu0.1~esm2"
        },
        {
            "binary_name":  "wireshark-qt",
            "binary_version":  "3.2.3-1ubuntu0.1~esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-76879.json"
Ubuntu:Pro:22.04:LTS
wireshark

Package

Name
wireshark
Purl
pkg:deb/ubuntu/wireshark?arch=source&distro=esm-apps%2Fjammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.4.7-1~exp1
3.4.9-1
3.6.2-1ubuntu1
3.6.2-2
3.6.2-2ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libwireshark-data",
            "binary_version":  "3.6.2-2ubuntu0.1~esm1"
        },
        {
            "binary_name":  "libwireshark15",
            "binary_version":  "3.6.2-2ubuntu0.1~esm1"
        },
        {
            "binary_name":  "libwiretap12",
            "binary_version":  "3.6.2-2ubuntu0.1~esm1"
        },
        {
            "binary_name":  "libwsutil13",
            "binary_version":  "3.6.2-2ubuntu0.1~esm1"
        },
        {
            "binary_name":  "tshark",
            "binary_version":  "3.6.2-2ubuntu0.1~esm1"
        },
        {
            "binary_name":  "wireshark",
            "binary_version":  "3.6.2-2ubuntu0.1~esm1"
        },
        {
            "binary_name":  "wireshark-common",
            "binary_version":  "3.6.2-2ubuntu0.1~esm1"
        },
        {
            "binary_name":  "wireshark-gtk",
            "binary_version":  "3.6.2-2ubuntu0.1~esm1"
        },
        {
            "binary_name":  "wireshark-qt",
            "binary_version":  "3.6.2-2ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-76879.json"