Out-of-bounds Write Affecting libgd2 package, versions <2.1.0-3ubuntu0.11


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
58.2% (98th percentile)

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  • Snyk IDSNYK-UBUNTU1404-LIBGD2-382977
  • published27 Jan 2019
  • disclosed27 Jan 2019

Introduced: 27 Jan 2019

CVE-2019-6977  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Ubuntu:14.04 libgd2 to version 2.1.0-3ubuntu0.11 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 Ubuntu. See How to fix? for Ubuntu:14.04 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.

References