Header::readfrom in IlmImf/ImfHeader.cpp in OpenEXR 2.2.0 allows remote attackers to cause a denial of service (excessive memory allocation) via a crafted file that is accessed with the ImfOpenInputFile function in IlmImf/ImfCRgbaFile.cpp. NOTE: The maintainer and multiple third parties believe that this vulnerability isn't valid
https://github.com/openexr/openexr/issues/248
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00063.html