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Ubuntu: USN-3768-1 (CVE-2018-16802): Ghostscript vulnerabilities

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Ubuntu: USN-3768-1 (CVE-2018-16802): Ghostscript vulnerabilities

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
09/10/2018
Created
03/19/2019
Added
10/02/2018
Modified
09/12/2020

Description

An issue was discovered in Artifex Ghostscript before 9.25. Incorrect "restoration of privilege" checking when running out of stack during exception handling could be used by attackers able to supply crafted PostScript to execute code using the "pipe" instruction. This is due to an incomplete fix for CVE-2018-16509.

Solution(s)

  • ubuntu-upgrade-ghostscript
  • ubuntu-upgrade-libgs9

References

  • USN-3768-1
  • USN-3773-1
  • DSA-4294
  • CVE-2018-16802

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