Incorrect Conversion between Numeric Types Affecting gd package, versions <2.2.5-r2


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.42% (74th percentile)

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  • Snyk IDSNYK-ALPINE311-GD-544769
  • published16 Jan 2018
  • disclosed16 Jan 2018

Introduced: 16 Jan 2018

CVE-2018-5711  (opens in a new tab)
CWE-681  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Alpine:3.11 gd to version 2.2.5-r2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gd package and not the gd package as distributed by Alpine. See How to fix? for Alpine:3.11 relevant fixed versions and status.

gd_gif_in.c in the GD Graphics Library (aka libgd), as used in PHP before 5.6.33, 7.0.x before 7.0.27, 7.1.x before 7.1.13, and 7.2.x before 7.2.1, has an integer signedness error that leads to an infinite loop via a crafted GIF file, as demonstrated by a call to the imagecreatefromgif or imagecreatefromstring PHP function. This is related to GetCode_ and gdImageCreateFromGifCtx.