LibGD 2.2.3 发布了，LibGD 是一个开源的图像处理库，支持 PNG/JPEG/GIF以及其他格式的图像。GD一般被用来创建图表、图形、缩略图以及其他图像相关的处理操作。

本次发布改进记录如下：

• fix php bug 72339, Integer Overflow in _gd2GetHeader (CVE-2016-5766)

• bug #247, A read out-of-bands was found in the parsing of TGA files (CVE-2016-6132)

• also bug #247, Buffer over-read issue when parsing crafted TGA file (CVE-2016-6214)

• bug #248, fix Out-Of-Bounds Read in read_image_tga

• Integer overflow error within _gdContributionsAlloc() (CVE-2016-6207)

• fix php bug 72494, invalid color index not handled, can lead to crash ( CVE-2016-6128)

• improve color check for CropThreshold

• gdImageCopyResampled has been improved. Better handling of images with alpha channel, also brings libgd in sync with php's bundled gd.

下载地址：https://libgd.github.io/pages/downloads.html