| Description: | The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript translates PostScript code to common bitmap formats so that the code can be displayed or printed.
Security Fix(es):
ghostscript: Incorrect free logic in pagedevice replacement (699664) (CVE-2018-16541)
ghostscript: Incorrect "restoration of privilege" checking when running out of stack during exception handling (CVE-2018-16802)
ghostscript: User-writable error exception table (CVE-2018-17183)
ghostscript: Saved execution stacks can leak operator arrays (incomplete fix for CVE-2018-17183) (CVE-2018-17961)
ghostscript: Saved execution stacks can leak operator arrays (CVE-2018-18073)
ghostscript: 1Policy operator allows a sandbox protection bypass (CVE-2018-18284)
ghostscript: Type confusion in setpattern (700141) (CVE-2018-19134)
ghostscript: Improperly implemented security check in zsetdevice function in psi/zdevice.c (CVE-2018-19409)
ghostscript: Uninitialized memory access in the aesdecode operator (699665) (CVE-2018-15911)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank Tavis Ormandy (Google Project Zero) for reporting CVE-2018-16541.
Bug Fix(es):
It has been found that ghostscript-9.07-31.el7_6.1 introduced regression during the handling of shading objects, causing a "Dropping incorrect smooth shading object" warning. With this update, the regression has been fixed and the described problem no longer occurs. (BZ#1657822)
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