Fedora 25: 2017-b4d4a46af6 Moderate: PCRE Crash and Buffer Overflow

PCRE, Perl-compatible regular expression, library has its own native API, but

a set of wrapper functions that are based on the POSIX API are also supplied

in the libpcreposix library. Note that this just provides a POSIX calling

interface to PCRE: the regular expressions themselves still follow Perl syntax

and semantics. This package provides support for strings in 8-bit and UTF-8

encodings. Detailed change log is provided by pcre-doc package.

This release fixes a crash when finding a Unicode property for a character with

a code point greater than 0x10ffff in UTF-32 library while UTF mode is disabled

and JIT mde enabled. It also fixes a buffer overlflow in pcretest tool when

copying a string in UTF-32 mode.

[ 1 ] Bug #1434504 - CVE-2017-7186 pcre: Invalid Unicode property lookup (8.41/7, 10.24/2)

https://bugzilla.redhat.com/show_bug.cgi?id=1434504

su -c 'dnf upgrade pcre' 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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