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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.2664
                   [DLA 1854-1] libonig security update
                               18 July 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           libonig
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
                   Access Confidential Data        -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-13224  

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2019/07/msg00013.html

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running libonig check for an updated version of the software for 
         their operating system.

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Package        : libonig
Version        : 5.9.5-3.2+deb8u2
CVE ID         : CVE-2019-13224
Debian Bug     : 931878

A use-after-free in onig_new_deluxe() in regext.c allows attackers to
potentially cause information disclosure, denial of service, or
possibly code execution by providing a crafted regular expression. The
attacker
provides a pair of a regex pattern and a string, with a multi-byte
encoding that gets handled by onig_new_deluxe().

For Debian 8 "Jessie", this problem has been fixed in version
5.9.5-3.2+deb8u2.

We recommend that you upgrade your libonig packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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===========================================================================
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===========================================================================
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