1. Ubuntu Security Notices
  2. USN-4358-1

USN-4358-1: libexif vulnerabilities

Publication date

13 May 2020

Overview

Several security issues were fixed in libexif.

Releases

Packages

  • libexif - library to parse EXIF files

Details

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)

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)

Update instructions

After a standard system update you need to restart your session to effect the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.04 focal libexif12 –  0.6.21-6ubuntu0.1
19.10 eoan libexif12 –  0.6.21-5.1ubuntu0.2
18.04 bionic libexif12 –  0.6.21-4ubuntu0.2
16.04 xenial libexif12 –  0.6.21-2ubuntu0.2
14.04 trusty libexif12 –  0.6.21-1ubuntu1+esm2  
12.04 precise libexif12 –  0.6.20-2ubuntu0.3

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References

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