CWE-476

A NULL pointer dereference (aka SEGV on unknown address 0x000000000000) was discovered in work_stuff_copy_to_from in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.30. This can occur during execution of objdump.

The WEBP::GetLE32 function in XMPFiles/source/FormatSupport/WEBP_Support.hpp in Exempi 2.4.5 has a NULL pointer dereference.

libavcodec in FFmpeg 4.0 may trigger a NULL pointer dereference if the studio profile is incorrectly detected while converting a crafted AVI file to MPEG4, leading to a denial of service, related to idctdsp.c and mpegvideo.c.

Incorrect handling of an invalid value for an HTTP request parameter by Directory Server (aka Enterprise Server Administration web UI) in Micro Focus Enterprise Developer and Enterprise Server 2.3 Update 2 and earlier, 3.0 before Patch Update 12, and 4.0 before Patch Update 2 causes a null pointer dereference (CWE-476) and subsequent denial of service due to process termination.

An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in mrb_class, related to certain .clone usage, because mrb_obj_clone in kernel.c copies flags other than the MRB_FLAG_IS_FROZEN flag (e.g., the embedded flag).

An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in mrb_class_real because “class BasicObject” is not properly supported in class.c.