ghostscript security update

CentOS Errata and Security Advisory CESA-2018:3650

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: .tempfile file permission issues (699657) (CVE-2018-15908)

• ghostscript: shading_param incomplete type checking (699660) (CVE-2018-15909)

• ghostscript: missing type check in type checker (699659) (CVE-2018-16511)

• ghostscript: incorrect access checking in temp file handling to disclose contents of files (699658) (CVE-2018-16539)

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-2018-15908.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2018-December/085262.html

Affected packages:
ghostscript
ghostscript-cups
ghostscript-devel
ghostscript-doc
ghostscript-gtk

Upstream details at:
https://access.redhat.com/errata/RHSA-2018:3650