Executive Summary

Title libpng vulnerability
Name USN-3962-1 First vendor Publication 2019-04-30
Vendor Ubuntu Last vendor Modification 2019-04-30
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:H/Au:N/C:N/I:N/A:P)
Cvss Base Score 2.6 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity High
Cvss Expoit Score 4.9 Authentication None Required
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.10 - Ubuntu 18.04 LTS


libpng be made to crash or run programs if it opened a specially crafted file.

Software Description: - libpng1.6: PNG (Portable Network Graphics) file library


It was discovered that libpng incorrectly handled certain memory operations. If a user or automated system were tricked into opening a specially crafted PNG file, a remote attacker could use this issue to cause libpng to crash, resulting in a denial of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 18.10:
libpng16-16 1.6.34-2ubuntu0.1

Ubuntu 18.04 LTS:
libpng16-16 1.6.34-1ubuntu0.18.04.2

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


Package Information:

Original Source

Url : http://www.ubuntu.com/usn/USN-3962-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-416 Use After Free

CPE : Common Platform Enumeration

Application 1
Os 2
Os 1

Alert History

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Date Informations
2019-04-30 21:18:47
  • First insertion