Advisory Published

USN-4358-1: libexif vulnerabilities

First published: Wed May 13 2020(Updated: )

It was discovered that libexif incorrectly handled certain tags. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-20030) It was discovered that libexif incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash. (CVE-2020-12767)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libexif12<0.6.21-6ubuntu0.1
0.6.21-6ubuntu0.1
=20.04
All of
ubuntu/libexif12<0.6.21-5.1ubuntu0.2
0.6.21-5.1ubuntu0.2
=19.10
All of
ubuntu/libexif12<0.6.21-4ubuntu0.2
0.6.21-4ubuntu0.2
=18.04
All of
ubuntu/libexif12<0.6.21-2ubuntu0.2
0.6.21-2ubuntu0.2
=16.04
All of
ubuntu/libexif12<0.6.21-1ubuntu1+esm2
0.6.21-1ubuntu1+esm2
=14.04
All of
ubuntu/libexif12<0.6.20-2ubuntu0.3
0.6.20-2ubuntu0.3
=12.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-4358-1?

    The severity of USN-4358-1 is medium.

  • What is the vulnerability ID for libexif?

    The vulnerability ID for libexif is CVE-2018-20030 and CVE-2020-12767.

  • How can an attacker exploit libexif vulnerabilities?

    An attacker can exploit libexif vulnerabilities to cause a denial of service or crash.

  • Which versions of Ubuntu are affected by libexif vulnerabilities?

    Versions 20.04, 19.10, 18.04, 16.04, 14.04, and 12.04 of Ubuntu are affected by libexif vulnerabilities.

  • How can I fix libexif vulnerabilities?

    To fix libexif vulnerabilities, update the libexif package to version 0.6.21-6ubuntu0.1 (for Ubuntu 20.04), 0.6.21-5.1ubuntu0.2 (for Ubuntu 19.10), 0.6.21-4ubuntu0.2 (for Ubuntu 18.04), 0.6.21-2ubuntu0.2 (for Ubuntu 16.04), 0.6.21-1ubuntu1+esm2 (for Ubuntu 14.04), or 0.6.20-2ubuntu0.3 (for Ubuntu 12.04).

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