A NULL pointer dereference in the gf_ac4_pres_b_4_back_channels_present function (/media_tools/av_parsers.c) of GPAC Project/MP4Box before 26.02.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted AC4 file.
0.5.0+svn4288~dfsg1-1ubuntu10.5.0+svn4288~dfsg1-40.5.0+svn4288~dfsg1-4ubuntu10.5.0+svn4288~dfsg1-4ubuntu1+esm10.5.0+svn4288~dfsg1-4ubuntu1+esm20.5.2-426-gc5ad4e4+dfsg5-1build10.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.10.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm20.5.2-426-gc5ad4e4+dfsg5-30.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.10.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1+esm10.5.2-426-gc5ad4e4+dfsg5-4ubuntu10.5.2-426-gc5ad4e4+dfsg5-50.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm21.0.1+dfsg1-41.0.1+dfsg1-52.0.0+dfsg1-22.0.0+dfsg1-2ubuntu0.1~esm22.2.1+dfsg1-32.2.1+dfsg1-3.12.2.1+dfsg1-3.1build12.2.1+dfsg1-3.1build22.2.1+dfsg1-3.1ubuntu0.1~esm2Exploitability
AV:LAC:LPR:NUI:RScope
S:UImpact
C:NI:NA:HCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H