NULL Pointer Dereference Affecting libpng1.6 package, versions <1.6.27-1


0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High
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NVD
7.5 high
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Red Hat
3.3 low

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  • Snyk ID SNYK-DEBIAN10-LIBPNG16-296449
  • published 30 Jan 2017
  • disclosed 30 Jan 2017

How to fix?

Upgrade Debian:10 libpng1.6 to version 1.6.27-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libpng1.6 package and not the libpng1.6 package as distributed by Debian:10. See How to fix? for Debian:10 relevant fixed versions and status.

The png_set_text_2 function in libpng 0.71 before 1.0.67, 1.2.x before 1.2.57, 1.4.x before 1.4.20, 1.5.x before 1.5.28, and 1.6.x before 1.6.27 allows context-dependent attackers to cause a NULL pointer dereference vectors involving loading a text chunk into a png structure, removing the text, and then adding another text chunk to the structure.