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USN-3090-2: Pillow regresssion

30 September 2016

Pillow regresssion

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Releases

Packages

  • pillow - Python Imaging Library compatibility layer

Details

USN-3090-1 fixed vulnerabilities in Pillow. The patch to fix CVE-2014-9601
caused a regression which resulted in failures when processing certain
png images. This update temporarily reverts the security fix for CVE-2014-9601
pending further investigation.

We apologize for the inconvenience.

Original advisory details:

It was discovered that a flaw in processing a compressed text chunk in
a PNG image could cause the image to have a large size when decompressed,
potentially leading to a denial of service. (CVE-2014-9601)

Andrew Drake discovered that Pillow incorrectly validated input. A remote
attacker could use this to cause Pillow to crash, resulting in a denial
of service. (CVE-2014-3589)

Eric Soroos discovered that Pillow incorrectly handled certain malformed
FLI, Tiff, and PhotoCD files. A remote attacker could use this issue to
cause Pillow to crash, resulting in a denial of service.
(CVE-2016-0740, CVE-2016-0775, CVE-2016-2533)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 14.04

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

References

Related notices

  • USN-3090-1: python3-pil.imagetk, python-imaging-sane, python-sane, python3-imaging-sane, python3-pil, python3-sane, python-pil-doc, python3-imaging-tk, python-pil.imagetk, python-imaging, python-imaging-tk, pillow, python3-imaging, python-imaging-doc, python-pil, python-imaging-compat
  • USN-3229-1: python-imaging
  • USN-3230-1: python3-pil.imagetk, python-imaging-sane, python-sane, python3-imaging-sane, python3-pil, python3-sane, python-pil-doc, python3-imaging-tk, python-pil.imagetk, python-imaging, python-imaging-tk, pillow, python3-imaging, python-imaging-doc, python-pil, python-imaging-compat

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Further reading