vp-build/srcpkgs/libid3tag/patches/CVE-2004-2779.patch

24 lines
737 B
Diff

diff -urNad libid3tag-0.15.1b/utf16.c /tmp/dpep.tKvO7a/libid3tag-0.15.1b/utf16.c
--- libid3tag-0.15.1b/utf16.c 2006-01-13 15:26:29.000000000 +0100
+++ libid3tag-0.15.1b/utf16.c 2006-01-13 15:27:19.000000000 +0100
@@ -282,5 +282,18 @@
free(utf16);
+ if (end == *ptr && length % 2 != 0)
+ {
+ /* We were called with a bogus length. It should always
+ * be an even number. We can deal with this in a few ways:
+ * - Always give an error.
+ * - Try and parse as much as we can and
+ * - return an error if we're called again when we
+ * already tried to parse everything we can.
+ * - tell that we parsed it, which is what we do here.
+ */
+ (*ptr)++;
+ }
+
return ucs4;
}