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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.2513
                    USN-4430-1: Pillow vulnerabilities
                               23 July 2020

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

Product:           Pillow
Publisher:         Ubuntu
Operating System:  Ubuntu
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-11538 CVE-2020-10994 CVE-2020-10378
                   CVE-2020-10177  

Original Bulletin: 
   https://usn.ubuntu.com/4430-1/

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USN-4430-1: Pillow vulnerabilities
22 July 2020

Pillow could be made to crash if it opened a specially crafted file.
Releases

  o Ubuntu 18.04 LTS
  o Ubuntu 16.04 LTS

Packages

  o pillow - Python Imaging Library

Details

It was discovered that Pillow incorrectly handled certain image files. If
a user or automated system were tricked into opening a specially-crafted
image file, a remote attacker could possibly cause Pillow to crash,
resulting in a denial of service.

Update instructions

The problem can be corrected by updating your system to the following package
versions:

Ubuntu 18.04

  o python-pil - 5.1.0-1ubuntu0.3
  o python3-pil - 5.1.0-1ubuntu0.3

Ubuntu 16.04

  o python-pil - 3.1.2-0ubuntu1.4
  o python3-pil - 3.1.2-0ubuntu1.4

In general, a standard system update will make all the necessary changes.

References

  o CVE-2020-10177
  o CVE-2020-10378
  o CVE-2020-10994
  o CVE-2020-11538

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