There is an illegal address access at ext/testcase.c in libsolv.a in libsolv through 0.7.2 that will cause a denial of service. NOTE: third parties dispute this issue stating that the issue affects the test suite and not the underlying library. It cannot be exploited in any real-world application.There is a NULL pointer dereference at ext/testcase.c in libsolvext.a in libsolv through 0.7.2 that will cause a denial of service.There is a NULL pointer dereference at ext/testcase.c in libsolvext.a in libsolv through 0.7.2 that will cause a denial of service.