Executive Summary

Title libpng: Multiple vulnerabilities
Name GLSA-201908-02 First vendor Publication 2019-08-03
Vendor Gentoo Last vendor Modification 2019-08-03
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:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores



Multiple vulnerabilities have been found in libpng, the worst of which could result in a Denial of Service condition.


libpng is a standard library used to process PNG (Portable Network Graphics) images. It is used by several programs, including web browsers and potentially server processes.


Multiple vulnerabilities have been discovered in libpng. Please review the CVE identifiers referenced below for details.


A remote attacker, by enticing a user to process a specially crafted PNG file, could cause a Denial of Service condition.


There is no known workaround at this time.


All libpng users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/libpng-1.6.37"


[ 1 ] CVE-2018-14048 : https://nvd.nist.gov/vuln/detail/CVE-2018-14048
[ 2 ] CVE-2018-14550 : https://nvd.nist.gov/vuln/detail/CVE-2018-14550
[ 3 ] CVE-2019-7317 : https://nvd.nist.gov/vuln/detail/CVE-2019-7317


This GLSA and any updates to it are available for viewing at the Gentoo Security Website:


Original Source

Url : http://security.gentoo.org/glsa/glsa-201908-02.xml

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-416 Use After Free
50 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration

Application 3
Application 4
Application 4
Os 2
Os 1

Alert History

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Date Informations
2019-08-03 17:21:13
  • First insertion