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Diffstat (limited to 'src/bitmap/bdfread.c')
-rw-r--r--src/bitmap/bdfread.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/bitmap/bdfread.c b/src/bitmap/bdfread.c
index 914a024..6387908 100644
--- a/src/bitmap/bdfread.c
+++ b/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);
}