[Git][freetype/freetype][master] [bzip2] Avoid use of uninitialized memory.

[Werner Lemberg (@wl)]

Werner Lemberg pushed to branch master at FreeType / FreeType

Commits:

• d276bcb7
  by Werner Lemberg at 2022-01-09T07:48:59+01:00

  [bzip2] Avoid use of uninitialized memory.
  
  * src/bzip2/ftbzip2.c (FT_Stream_OpenBzip2): Don't use `FT_QNEW` but
  `FT_NEW` for setting up `zip` to avoid uninitialized memory access while
  handling malformed PCF fonts later on.
  
  Fixes
  
    https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=42800
  

1 changed file:

• src/bzip2/ftbzip2.c

Changes:

src/bzip2/ftbzip2.c

---

...	...	@@ -481,7 +481,9 @@
481	481	FT_ZERO( stream );
482	482	stream->memory = memory;
483	483
484		- if ( !FT_QNEW( zip ) )
	484	+ /* Don't use `FT_QNEW` here to avoid problems with uninitialized */
	485	+ /* memory later on if the font is malformed. */
	486	+ if ( !FT_NEW( zip ) )
485	487	{
486	488	error = ft_bzip2_file_init( zip, stream, source );
487	489	if ( error )

—
View it on GitLab.
You're receiving this email because of your account on gitlab.freedesktop.org. If you'd like to receive fewer emails, you can adjust your notification settings.