ALINUX2-SA-2019%3A0017

Package updates are available for Alibaba Cloud Linux 2.1903 that fix the following vulnerabilities: CVE-2019-3835: It was found that the superexec operator was available in the internal dictionary in ghostscript before 9.27. A specially crafted PostScript file could use this flaw in order to, for example, have access to the file system outside of the constrains imposed by -dSAFER. CVE-2019-3838: It was found that the forceput operator could be extracted from the DefineResource method in ghostscript before 9.27. A specially crafted PostScript file could use this flaw in order to, for example, have access to the file system outside of the constrains imposed by -dSAFER.