Fedora 31: FEDORA-2019-613edfe68b Critical: expat Heap Overflow

This is expat, the C library for parsing XML, written by James Clark. Expat

is a stream oriented XML parser. This means that you register handlers with

the parser prior to starting the parse. These handlers are called when the

parser discovers the associated structures in the document being parsed. A

start tag is an example of the kind of structures for which you may

register handlers.

This update of `expat` fixes the following security issue: * **CVE-2019-15903**

-- Fix heap overflow triggered by `XML_GetCurrentLineNumber` (or

`XML_GetCurrentColumnNumber`), and deny internal entities closing the doctype

The following bug fixes are also included: * Fix cases where `XML_StopParser`

did not have any effect when called from inside of an end element handler *

xmlwf: Fix exit code for operation without "`-d DIRECTORY`" previously, only

"`-d DIRECTORY`" would give you a proper exit code

[ 1 ] Bug #1752592 - CVE-2019-15903 expat: heap-based buffer over-read via crafted XML input

https://bugzilla.redhat.com/show_bug.cgi?id=1752592

su -c 'dnf upgrade --advisory FEDORA-2019-613edfe68b' 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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