Fedora 27 gd 2.2.5 Critical Memory Updates Include Double-free Risks

The gd graphics library allows your code to quickly draw images

complete with lines, arcs, text, multiple colors, cut and paste from

other images, and flood fills, and to write out the result as a PNG or

JPEG file. This is particularly useful in Web applications, where PNG

and JPEG are two of the formats accepted for inline images by most

browsers. Note that gd is not a paint program.

**Version 2.2.5** - 2017-08-30 * **Security** - Double-free in

gdImagePngPtr(). **CVE-2017-6362** - Buffer over-read into uninitialized

memory. **CVE-2017-7890** * **Fixed** - Fix #109: XBM reading fails with

printed error - Fix #338: Fatal and normal libjpeg/ibpng errors not

distinguishable - Fix #357: 2.2.4: Segfault in test suite - Fix #386:

gdImageGrayScale() may produce colors - Fix #406: webpng -i removes the

transparent color - Fix Coverity #155475: Failure to restore

alphaBlendingFlag - Fix Coverity #155476: potential resource leak - Fix

several build issues and test failures - Fix and reenable optimized support

for reading 1 bps TIFFs

su -c 'dnf upgrade gd' at the command line.

For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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