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Ubuntu: USN-4445-1 (CVE-2020-15900): Ghostscript vulnerability

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Ubuntu: USN-4445-1 (CVE-2020-15900): Ghostscript vulnerability

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
07/28/2020
Created
08/07/2020
Added
08/05/2020
Modified
03/22/2023

Description

A memory corruption issue was found in Artifex Ghostscript 9.50 and 9.52. Use of a non-standard PostScript operator can allow overriding of file access controls. The 'rsearch' calculation for the 'post' size resulted in a size that was too large, and could underflow to max uint32_t. This was fixed in commit 5d499272b95a6b890a1397e11d20937de000d31b.

Solution(s)

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

References

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