漏洞描述
LibTIFF 4.4.0 has an out-of-bounds write in _TIFFmemcpy in libtiff/tif_unix.c:346 when called from extractImageSection, tools/tiffcrop.c:6826, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 236b7191.
是否受影响判断
判断方法：yum info PackageName
结果说明：版本小于修复版本，则受此漏洞影响，版本大于等于修复版本，则此漏洞已修复。