diff -urNp old/plug-ins/common/file-psp.c new/plug-ins/common/file-psp.c --- old/plug-ins/common/file-psp.c 2018-01-04 11:58:46.928253797 +0100 +++ new/plug-ins/common/file-psp.c 2018-01-04 12:03:42.141874067 +0100 @@ -913,6 +913,12 @@ read_creator_block (FILE *f, g_message ("Error reading creator keyword data"); return -1; } + if (string[length - 1] != '\0') + { + g_message ("Creator keyword data not nul-terminated"); + g_free (string); + return -1; + } switch (keyword) { case PSP_CRTR_FLD_CRT_DATE: