diff options
| -rw-r--r-- | libXfont/src/bitmap/bdfread.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libXfont/src/bitmap/bdfread.c b/libXfont/src/bitmap/bdfread.c index 914a0244e..638790854 100644 --- a/libXfont/src/bitmap/bdfread.c +++ b/libXfont/src/bitmap/bdfread.c @@ -604,7 +604,9 @@ bdfReadProperties(FontFilePtr file, FontPtr pFont, bdfFileState *pState) bdfError("missing 'STARTPROPERTIES'\n"); return (FALSE); } - if (sscanf((char *) line, "STARTPROPERTIES %d", &nProps) != 1) { + if ((sscanf((char *) line, "STARTPROPERTIES %d", &nProps) != 1) || + (nProps <= 0) || + (nProps > ((INT32_MAX / sizeof(FontPropRec)) - BDF_GENPROPS))) { bdfError("bad 'STARTPROPERTIES'\n"); return (FALSE); } |