UBUNTU-CVE-2018-14340

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Source
https://ubuntu.com/security/CVE-2018-14340
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-14340.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2018-14340
Upstream
Published
2018-07-19T02:29:00Z
Modified
2025-09-08T16:44:58Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, dissectors that support zlib decompression could crash. This was addressed in epan/tvbuff_zlib.c by rejecting negative lengths to avoid a buffer over-read.

References

Affected packages

Ubuntu:14.04:LTS / wireshark

Package

Name
wireshark
Purl
pkg:deb/ubuntu/wireshark@2.6.3-1~ubuntu14.04.1?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.6.3-1~ubuntu14.04.1

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.6.3-1~ubuntu14.04.1",
            "binary_name": "libwireshark-data"
        },
        {
            "binary_version": "2.6.3-1~ubuntu14.04.1",
            "binary_name": "libwireshark-dev"
        },
        {
            "binary_version": "2.6.3-1~ubuntu14.04.1",
            "binary_name": "libwireshark11"
        },
        {
            "binary_version": "2.6.3-1~ubuntu14.04.1",
            "binary_name": "libwiretap-dev"
        },
        {
            "binary_version": "2.6.3-1~ubuntu14.04.1",
            "binary_name": "libwiretap8"
        },
        {
            "binary_version": "2.6.3-1~ubuntu14.04.1",
            "binary_name": "libwscodecs2"
        },
        {
            "binary_version": "2.6.3-1~ubuntu14.04.1",
            "binary_name": "libwsutil-dev"
        },
        {
            "binary_version": "2.6.3-1~ubuntu14.04.1",
            "binary_name": "libwsutil9"
        },
        {
            "binary_version": "2.6.3-1~ubuntu14.04.1",
            "binary_name": "tshark"
        },
        {
            "binary_version": "2.6.3-1~ubuntu14.04.1",
            "binary_name": "wireshark"
        },
        {
            "binary_version": "2.6.3-1~ubuntu14.04.1",
            "binary_name": "wireshark-common"
        },
        {
            "binary_version": "2.6.3-1~ubuntu14.04.1",
            "binary_name": "wireshark-dev"
        },
        {
            "binary_version": "2.6.3-1~ubuntu14.04.1",
            "binary_name": "wireshark-gtk"
        },
        {
            "binary_version": "2.6.3-1~ubuntu14.04.1",
            "binary_name": "wireshark-qt"
        }
    ]
}

Ubuntu:16.04:LTS / wireshark

Package

Name
wireshark
Purl
pkg:deb/ubuntu/wireshark@2.6.3-1~ubuntu16.04.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.6.3-1~ubuntu16.04.1

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.6.3-1~ubuntu16.04.1",
            "binary_name": "libwireshark-data"
        },
        {
            "binary_version": "2.6.3-1~ubuntu16.04.1",
            "binary_name": "libwireshark-dev"
        },
        {
            "binary_version": "2.6.3-1~ubuntu16.04.1",
            "binary_name": "libwireshark11"
        },
        {
            "binary_version": "2.6.3-1~ubuntu16.04.1",
            "binary_name": "libwiretap-dev"
        },
        {
            "binary_version": "2.6.3-1~ubuntu16.04.1",
            "binary_name": "libwiretap8"
        },
        {
            "binary_version": "2.6.3-1~ubuntu16.04.1",
            "binary_name": "libwscodecs2"
        },
        {
            "binary_version": "2.6.3-1~ubuntu16.04.1",
            "binary_name": "libwsutil-dev"
        },
        {
            "binary_version": "2.6.3-1~ubuntu16.04.1",
            "binary_name": "libwsutil9"
        },
        {
            "binary_version": "2.6.3-1~ubuntu16.04.1",
            "binary_name": "tshark"
        },
        {
            "binary_version": "2.6.3-1~ubuntu16.04.1",
            "binary_name": "wireshark"
        },
        {
            "binary_version": "2.6.3-1~ubuntu16.04.1",
            "binary_name": "wireshark-common"
        },
        {
            "binary_version": "2.6.3-1~ubuntu16.04.1",
            "binary_name": "wireshark-dev"
        },
        {
            "binary_version": "2.6.3-1~ubuntu16.04.1",
            "binary_name": "wireshark-gtk"
        },
        {
            "binary_version": "2.6.3-1~ubuntu16.04.1",
            "binary_name": "wireshark-qt"
        }
    ]
}

Ubuntu:18.04:LTS / wireshark

Package

Name
wireshark
Purl
pkg:deb/ubuntu/wireshark@2.6.3-1~ubuntu18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.6.3-1~ubuntu18.04.1

Affected versions

2.*

2.4.2-1
2.4.3-1
2.4.4-1
2.4.5-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.6.3-1~ubuntu18.04.1",
            "binary_name": "libwireshark-data"
        },
        {
            "binary_version": "2.6.3-1~ubuntu18.04.1",
            "binary_name": "libwireshark-dev"
        },
        {
            "binary_version": "2.6.3-1~ubuntu18.04.1",
            "binary_name": "libwireshark11"
        },
        {
            "binary_version": "2.6.3-1~ubuntu18.04.1",
            "binary_name": "libwiretap-dev"
        },
        {
            "binary_version": "2.6.3-1~ubuntu18.04.1",
            "binary_name": "libwiretap8"
        },
        {
            "binary_version": "2.6.3-1~ubuntu18.04.1",
            "binary_name": "libwscodecs2"
        },
        {
            "binary_version": "2.6.3-1~ubuntu18.04.1",
            "binary_name": "libwsutil-dev"
        },
        {
            "binary_version": "2.6.3-1~ubuntu18.04.1",
            "binary_name": "libwsutil9"
        },
        {
            "binary_version": "2.6.3-1~ubuntu18.04.1",
            "binary_name": "tshark"
        },
        {
            "binary_version": "2.6.3-1~ubuntu18.04.1",
            "binary_name": "wireshark"
        },
        {
            "binary_version": "2.6.3-1~ubuntu18.04.1",
            "binary_name": "wireshark-common"
        },
        {
            "binary_version": "2.6.3-1~ubuntu18.04.1",
            "binary_name": "wireshark-dev"
        },
        {
            "binary_version": "2.6.3-1~ubuntu18.04.1",
            "binary_name": "wireshark-gtk"
        },
        {
            "binary_version": "2.6.3-1~ubuntu18.04.1",
            "binary_name": "wireshark-qt"
        }
    ]
}