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Ubuntu 16.04 ESM USN-5718-2 Critical: Pixman Denial of Service

ubuntu
Calendar Grey November 30, 2022
Dist Ubuntu Esm H88
Linux Security Bulletin LSB-2023-012 highlights a severe vulnerability in libpng that may result in system failures or unauthorized code execution.
pixman could be made to crash or run programs if it processed specially crafted input.

Summary

pixman could be made to crash or run programs if it processed specially

crafted input.

Software Description:

- pixman: pixel-manipulation library for X and cairo

Details:

USN-5718-1 fixed a vulnerability in pixman. This update provides the

corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

 Maddie Stone discovered that pixman incorrectly handled certain memory

 operations. A remote attacker could use this issue to cause pixman to

 crash, resulting in a denial of service, or possibly execute arbitrary

 code.

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu pixman

Update Instructions

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

Ubuntu 16.04 ESM:
   libpixman-1-0                   0.33.6-1ubuntu0.1~esm1
   libpixman-1-dev                 0.33.6-1ubuntu0.1~esm1

Ubuntu 14.04 ESM:
   libpixman-1-0                   0.30.2-2ubuntu1.2+esm1
   libpixman-1-dev                 0.30.2-2ubuntu1.2+esm1

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

References

  https://ubuntu.com/security/notices/USN-5718-2

  https://ubuntu.com/security/notices/USN-5718-1

  CVE-2022-44638

Severity
critical
Lowest
Low
Medium
High
Critical

November 30, 2022

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu pixman

Package Information

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