UBUNTU-CVE-2018-20030

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Source
https://ubuntu.com/security/CVE-2018-20030
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20030.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-20030
Upstream
Downstream
Related
Published
2019-02-20T17:29:00Z
Modified
2025-09-08T16:45:06Z
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 - low
Summary
[none]
Details

An error when processing the EXIFIFDINTEROPERABILITY and EXIFIFDEXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libexif

Package

Name
libexif
Purl
pkg:deb/ubuntu/libexif@0.6.21-1ubuntu1+esm2?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.6.21-1ubuntu1+esm2

Affected versions

0.*

0.6.21-1
0.6.21-1ubuntu1
0.6.21-1ubuntu1+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.6.21-1ubuntu1+esm2",
            "binary_name": "libexif-dev"
        },
        {
            "binary_version": "0.6.21-1ubuntu1+esm2",
            "binary_name": "libexif12"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:16.04:LTS / libexif

Package

Name
libexif
Purl
pkg:deb/ubuntu/libexif@0.6.21-2ubuntu0.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.6.21-2ubuntu0.2

Affected versions

0.*

0.6.21-2
0.6.21-2ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.6.21-2ubuntu0.2",
            "binary_name": "libexif-dev"
        },
        {
            "binary_version": "0.6.21-2ubuntu0.2",
            "binary_name": "libexif12"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / libexif

Package

Name
libexif
Purl
pkg:deb/ubuntu/libexif@0.6.21-4ubuntu0.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.6.21-4ubuntu0.2

Affected versions

0.*

0.6.21-2.1
0.6.21-4
0.6.21-4ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.6.21-4ubuntu0.2",
            "binary_name": "libexif-dev"
        },
        {
            "binary_version": "0.6.21-4ubuntu0.2",
            "binary_name": "libexif12"
        }
    ],
    "availability": "No subscription required"
}