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Out-of-bounds Write Affecting libgd2 package, versions <2.2.4-2+deb9u4

0.0
high

Snyk CVSS

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

    Threat Intelligence

    Exploit Maturity Mature
    EPSS 77.1% (99th percentile)
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NVD
8.8 high
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SUSE
6.5 medium
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Red Hat
6.3 medium

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  • Snyk ID SNYK-DEBIAN9-LIBGD2-382975
  • published 27 Jan 2019
  • disclosed 27 Jan 2019
Report a new vulnerability Found a mistake?

Introduced: 27 Jan 2019

CVE-2019-6977 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Debian:9 libgd2 to version 2.2.4-2+deb9u4 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.

gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as used in the imagecolormatch function in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1, has a heap-based buffer overflow. This can be exploited by an attacker who is able to trigger imagecolormatch calls with crafted image data.