Double free vulnerability in tif_jpeg.c in libtiff before 3.8.1 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted TIFF image that triggers errors related to "setfield/getfield methods in cleanup functions."
Exploitability
AV:NAC:LAu:SImpact
C:PI:PA:P6.5/AV:N/AC:L/Au:S/C:P/I:P/A:P