There is an invalid memory access in the function GfxIndexedColorSpace::mapColorToBase() located in GfxState.cc in Xpdf 4.0.0, as used in pdfalto 0.2. It can be triggered by (for example) sending a crafted pdf file to the pdftops binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact. Reference: https://github.com/kermitt2/pdfalto/issues/46 https://research.loginsoft.com/vulnerability/invalid-memory-access-in-gfxindexedcolorspacemapcolortobase-pdfalto-0-2/
Created xpdf tracking bugs for this issue: Affects: fedora-all [bug 1691672]
Created xpdf tracking bugs for this issue: Affects: epel-all [bug 1691673]
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.