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Ubuntu 14.04 ESM USN-5497-1 Critical: Libjpeg6b DoS Threats

ubuntu
Calendar Grey June 30, 2022
Dist Ubuntu Esm H88
Debian Security Notice DSN-3123-1 relates to Libpng vulnerabilities, improving defense against possible service disruption threats.
Several security issues were fixed in Libjpeg6b.

Summary

Several security issues were fixed in Libjpeg6b.

Software Description:

- libjpeg6b: library for handling JPEG files

Details:

It was discovered that Libjpeg6b was not properly performing bounds

checks when compressing PPM and Targa image files. An attacker could

possibly use this issue to cause a denial of service.

(CVE-2018-11212)

Chijin Zhou discovered that Libjpeg6b was incorrectly handling the

EOF character in input data when generating JPEG files. An attacker

could possibly use this issue to force the execution of a large loop,

force excessive memory consumption, and cause a denial of service.

(CVE-2018-11813)

Sheng Shu and Dongdong She discovered that Libjpeg6b was not properly

limiting the amount of memory being used when it was performing

decompression or multi-pass compression operations. An attacker could

possibly use this issue to force excessive memory consumption and

cause a denial of service. (CVE-2020-14152)

Topics%20covered

Topics Covered

security advisory DoS Ubuntu critical update vulnerability memory consumption libjpeg6b

Update Instructions

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

Ubuntu 14.04 ESM:
   libjpeg62                       6b1-4ubuntu1+esm1

In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-5497-1

  CVE-2018-11212, CVE-2018-11213, CVE-2018-11214, CVE-2018-11813,

  CVE-2020-14152

Severity
critical
Lowest
Low
Medium
High
Critical

June 30, 2022

Topics%20covered

Topics Covered

security advisory DoS Ubuntu critical update vulnerability memory consumption libjpeg6b

Package Information

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