Out-of-bounds Read Affecting libpng package, versions <2:1.5.13-8.amzn2.0.1


0.0
high

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 2.24% (90th percentile)
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NVD
8.8 high
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Red Hat
8.8 high

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  • Snyk ID SNYK-AMZN2-LIBPNG-3244078
  • published 21 Jan 2023
  • disclosed 14 Apr 2016

How to fix?

Upgrade Amazon-Linux:2 libpng to version 2:1.5.13-8.amzn2.0.1 or higher.
This issue was patched in ALAS2-2023-1904.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libpng package and not the libpng package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

Integer underflow in the png_check_keyword function in pngwutil.c in libpng 0.90 through 0.99, 1.0.x before 1.0.66, 1.1.x and 1.2.x before 1.2.56, 1.3.x and 1.4.x before 1.4.19, and 1.5.x before 1.5.26 allows remote attackers to have unspecified impact via a space character as a keyword in a PNG image, which triggers an out-of-bounds read.

References