[vlc-commits] [Git][videolan/vlc][3.0.x] demux: mpeg4: fix OOB read

[François Cartegnie (@fcartegnie)]

François Cartegnie pushed to branch 3.0.x at VideoLAN / VLC


Commits:
56ab1700 by François Cartegnie at 2026-09-05T12:51:11+02:00
demux: mpeg4: fix OOB read

refs #29696

- - - - -


1 changed file:

- modules/demux/mpeg/mpeg4_iod.c


Changes:

=====================================
modules/demux/mpeg/mpeg4_iod.c
=====================================
@@ -621,7 +621,7 @@ sl_header_data DecodeSLHeader( unsigned i_data, const uint8_t *p_data,
     if ( b_has_padding && !i_padding ) /* all padding */
         ret.i_size =  i_data;
     else
-        ret.i_size = (bs_pos( &s ) + 7) / 8;
+        ret.i_size = i_data - bs_remain( &s ) / 8;
 
     return ret;
 }



View it on GitLab: https://code.videolan.org/videolan/vlc/-/commit/56ab1700d63f8b85ea4d955b53f15063487cac37

-- 
View it on GitLab: https://code.videolan.org/videolan/vlc/-/commit/56ab1700d63f8b85ea4d955b53f15063487cac37
You're receiving this email because of your account on code.videolan.org. Manage all notifications: https://code.videolan.org/-/profile/notifications | Help: https://code.videolan.org/help