Fixes the following security vulnerabilities:
- CVE-2018-17961: Artifex Ghostscript 9.25 and earlier allows attackers to
bypass a sandbox protection mechanism via vectors involving errorhandler
setup. NOTE: this issue exists because of an incomplete fix for
CVE-2018-17183.
- CVE-2018-18284: Artifex Ghostscript 9.25 and earlier allows attackers to
bypass a sandbox protection mechanism via vectors involving the 1Policy
operator.
- CVE-2018-19409: An issue was discovered in Artifex Ghostscript before
9.26. LockSafetyParams is not checked correctly if another device is
used.
- CVE-2018-19475: psi/zdevice2.c in Artifex Ghostscript before 9.26 allows
remote attackers to bypass intended access restrictions because available
stack space is not checked when the device remains the same.
- CVE-2018-19476: psi/zicc.c in Artifex Ghostscript before 9.26 allows
remote attackers to bypass intended access restrictions because of a
setcolorspace type confusion.
- CVE-2018-19477: psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows
remote attackers to bypass intended access restrictions because of a
JBIG2Decode type confusion.
For more details, see the release notes:
https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
-# From https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/download/gs925/SHA512SUMS
-sha512 7a1c0b7546ed523f50c1452d4a1c13fcf043d6060fc9708bbc4b543f66ecb1b619b6e71998094ac702ef44a2fd159b6523271de19b1cae352981ef51fb637651 ghostscript-9.25.tar.xz
+# From https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/download/gs926/SHA512SUMS
+sha512 3ddb83029edf32282357bf606f4045a9ac73df6543cd423cfad09158ec12ada083a0dbb5aac3b73ae24cbc6c1e9d7574257a5c1fae63ba8776fbb00150ef2a3e ghostscript-9.26.tar.xz
# Hash for license file:
sha256 6f852249f975287b3efd43a5883875e47fa9f3125e2f1b18b5c09517ac30ecf2 LICENSE
#
################################################################################
-GHOSTSCRIPT_VERSION = 9.25
-GHOSTSCRIPT_SITE = https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/download/gs925
+GHOSTSCRIPT_VERSION = 9.26
+GHOSTSCRIPT_SITE = https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/download/gs926
GHOSTSCRIPT_SOURCE = ghostscript-$(GHOSTSCRIPT_VERSION).tar.xz
GHOSTSCRIPT_LICENSE = AGPL-3.0
GHOSTSCRIPT_LICENSE_FILES = LICENSE