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Integer Overflow or Wraparound Affecting libgd2 package, versions <2.2.2-29-g3c2b605-1

0.0
high

Snyk CVSS

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

    Threat Intelligence

    EPSS 24.24% (97th percentile)
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NVD
8.8 high
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Red Hat
5.6 medium

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  • Snyk ID SNYK-DEBIAN9-LIBGD2-383133
  • published 7 Aug 2016
  • disclosed 7 Aug 2016
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Introduced: 7 Aug 2016

CVE-2016-5766 Open this link in a new tab
CWE-190 Open this link in a new tab

How to fix?

Upgrade Debian:9 libgd2 to version 2.2.2-29-g3c2b605-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libgd2 package and not the libgd2 package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

Integer overflow in the _gd2GetHeader function in gd_gd2.c in the GD Graphics Library (aka libgd) before 2.2.3, as used in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via crafted chunk dimensions in an image.

References