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Ubuntu 16.04 ESM USN-5432-1 Moderate: Libpng Memory Handling Issue

ubuntu
Calendar Grey May 23, 2022
Dist Ubuntu Esm H88
The Ubuntu Security Notice USN-5432-1 tackles severe vulnerabilities in libpng, aimed at averting service disruption and potential code execution exploits.
Several security issues were fixed in libpng.

Summary

Several security issues were fixed in libpng.

Software Description:

- libpng: PNG (Portable Network Graphics) file library

Details:

It was discovered that libpng incorrectly handled memory when parsing

certain PNG files. If a user or automated system were tricked into opening

a specially crafted PNG file, an attacker could use this issue to cause

libpng to crash, resulting in a denial of service, or possible execute

arbitrary code. (CVE-2017-12652)

Zhengxiong Luo discovered that libpng incorrectly handled memory when parsing

certain PNG files. If a user or automated system were tricked into opening

a specially crafted PNG file, an attacker could use this issue to cause

libpng to crash, resulting in a denial of service, or possible execute

arbitrary code. (CVE-2018-14048)

Topics%20covered

Topics Covered

security advisory denial of service arbitrary code execution Ubuntu libpng update instructions memory handling

Update Instructions

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

Ubuntu 16.04 ESM:
  libpng12-0                      1.2.54-1ubuntu1.1+esm1
  libpng12-dev                    1.2.54-1ubuntu1.1+esm1
  libpng3                         1.2.54-1ubuntu1.1+esm1

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

References

https://ubuntu.com/security/notices/USN-5432-1

CVE-2017-12652, CVE-2018-14048

May 23, 2022

Topics%20covered

Topics Covered

security advisory denial of service arbitrary code execution Ubuntu libpng update instructions memory handling

Package Information

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