The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of libpng: three vulnerabilities

Synthesis of the vulnerability 

An attacker can use several vulnerabilities of libpng.
Vulnerable software: libpng.
Severity of this announce: 2/4.
Number of vulnerabilities in this bulletin: 3.
Creation date: 04/08/2016.
Références of this computer vulnerability: VIGILANCE-VUL-20311.

Description of the vulnerability 

Several vulnerabilities were announced in libpng.

An attacker can generate a buffer overflow via PNG_IMAGE_SIZE, in order to trigger a denial of service, and possibly to run code. [severity:2/4]

An attacker can generate a buffer overflow via Filter Heuristic, in order to trigger a denial of service, and possibly to run code. [severity:2/4]

An attacker can generate a buffer overflow via PNG_IMAGE_BUFFER_SIZE, in order to trigger a denial of service, and possibly to run code. [severity:2/4]
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This computer threat bulletin impacts software or systems such as libpng.

Our Vigil@nce team determined that the severity of this security threat is medium.

The trust level is of type confirmed by the editor, with an origin of document.

This bulletin is about 3 vulnerabilities.

An attacker with a expert ability can exploit this computer vulnerability alert.

Solutions for this threat 

libpng: version 1.6.24.
The version 1.6.24 is fixed:
  http://libpng.sf.net/
  ftp://ftp.simplesystems.org/pub/png/src/libpng16
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides system vulnerability announces. Each administrator can customize the list of products for which he wants to receive vulnerability alerts.