The tEXtToDataBuf function in pngimage.cpp in Exiv2 through 0.26 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted file.Referenceshttps://bugzilla.redhat.com/show_bug.cgi?id=1566260https://access.redhat.com/errata/RHSA-2019:2101
