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

                               ESB-2018.1385
                           7-Zip 18.05 released
                                7 May 2018

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

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

Product:           7-Zip
Publisher:         7-Zip
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-10115  

Reference:         ESB-2018.0491

Original Bulletin: 
   https://sourceforge.net/p/sevenzip/discussion/45797/thread/adc65bfa/

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7-Zip 18.05 was released.

7-Zip for 32-bit Windows:
http://7-zip.org/a/7z1805.exe
or
http://7-zip.org/a/7z1805.msi

7-Zip for 64-bit Windows x64:
http://7-zip.org/a/7z1805-x64.exe
or
http://7-zip.org/a/7z1805-x64.msi

What's new after 7-Zip 18.01:

The speed for single-thread LZMA/LZMA2 decoding was increased by 30% in
  x64 version and by 3% in x86 version.

7-Zip now can use multi-threading for 7z/LZMA2 decoding, if there are
  multiple independent data chunks in LZMA2 stream.

7-Zip now can use multi-threading for xz decoding,
  if there are multiple blocks in xz stream.

The speed for LZMA/LZMA2 compressing was increased by 8% for fastest/fast
  compression levels and by 3% for normal/maximum compression levels.

7-Zip now shows Properties (Info) window and CRC/SHA results window
as "list view" window instead of "message box" window.

Some improvements in zip, hfs and dmg code.

Previous versions of 7-Zip could work incorrectly in "Large memory pages" mode
  in Windows 10 because of some BUG with "Large Pages" in Windows 10. 

Now 7-Zip doesn't use "Large Pages" on Windows 10 up to revision 1709 (16299).

The vulnerability in RAR unpacking code was fixed (CVE-2018-10115).

Some bugs were fixed.

New localization: Kabyle.

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This security bulletin is provided as a service to AusCERT's members.  As
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NOTE: This is only the original release of the security bulletin.  It may
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        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
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