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ELSA-2012-0317 Important: Oracle Linux libpng security update

Severity CVSS Published Added Modified
8 (AV:N/AC:L/Au:N/C:N/I:N/A:C) November 17, 2006 March 23, 2012 July 04, 2017

Description

The png_decompress_chunk function in pngrutil.c in libpng 1.0.x before 1.0.53, 1.2.x before 1.2.43, and 1.4.x before 1.4.1 does not properly handle compressed ancillary-chunk data that has a disproportionately large uncompressed representation, which allows remote attackers to cause a denial of service (memory and CPU consumption, and application hang) via a crafted PNG file, as demonstrated by use of the deflate compression method on data composed of many occurrences of the same character, related to a "decompression bomb" attack.

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References

Solution

oracle-linux-upgrade-libpng

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