Heap-based Buffer Overflow in gs_alloc_ref_array function in Artifex Ghostscript 9.21

CVE-2017-9835 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:P

The gs_alloc_ref_array function in psi/ialloc.c in Artifex Ghostscript 9.21 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted PostScript document. This is related to a lack of an integer overflow check in base/gsalloc.c.

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