libexif through 0.6.21 is vulnerable to out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c caused by improper length computation of the allocated data of an ExifMnote entry which can cause denial-of-service or possibly information disclosure.
Exploitability
AV:NAC:LPR:NUI:NScope
S:UImpact
C:HI:NA:H9.1/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HMemory Safety