Fedora 28 Advisory 2018-C255F16BFE Critical Fix for Double Free

The patch program applies diff files to originals. The diff command

is used to compare an original to a changed file. Diff lists the

changes made to the file. A person who has the original file can then

use the patch command with the diff file to add the changes to their

original file (patching the file).

Patch should be installed because it is a common way of upgrading

applications.

Security fix for CVE-2018-6951 and CVE-2018-6952

* Thu Oct 11 2018 Than Ngo - 2.7.6-5

- Fixed CVE-2018-6952 - Double free of memory

* Thu May 3 2018 Tim Waugh - 2.7.6-4

- Fixed CVE-2018-1000156 - Malicious patch files cause ed to execute arbitrary

commands.

[ 1 ] Bug #1545053 - CVE-2018-6952 patch: Double free of memory in pch.c:another_hunk() causes a crash

https://bugzilla.redhat.com/show_bug.cgi?id=1545053

su -c 'dnf upgrade --advisory FEDORA-2018-c255f16bfe' at the command

line. For more information, refer to the dnf documentation available at

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

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