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Ubuntu Security Notice USN-5432-1

Ubuntu Security Notice USN-5432-1
Posted May 23, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5432-1 - 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. 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.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-12652, CVE-2018-14048
SHA-256 | 54ca6d5730b37e6ead16f7d5e371061160c7f46a81e138b8550d769c11bfd6ea

Ubuntu Security Notice USN-5432-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5432-1
May 23, 2022

libpng vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM

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)

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
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