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Ubuntu: USN-3712-1 (CVE-2018-13785): libpng vulnerabilities

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Ubuntu: USN-3712-1 (CVE-2018-13785): libpng vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
07/09/2018
Created
07/25/2018
Added
07/24/2018
Modified
09/12/2020

Description

In libpng 1.6.34, a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c) may trigger an integer overflow and resultant divide-by-zero while processing a crafted PNG file, leading to a denial of service.

Solution(s)

  • ubuntu-upgrade-libpng12-0
  • ubuntu-upgrade-libpng16-16

References

  • USN-3712-1
  • USN-3712-2
  • CVE-2018-13785

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