Deark Security Vulnerabilities - February

CVE-2021-28855

In Deark before 1.5.8, a specially crafted input file can cause a NULL pointer dereference in the dbuf_write function (src/deark-dbuf.c).

CVE-2021-28856

In Deark before v1.5.8, a specially crafted input file can cause a division by zero in (src/fmtutil.c) because of the value of pixelsize.

CVE-2022-43289

Deark v.1.6.2 was discovered to contain a stack overflow via the do_prism_read_palette() function at /modules/atari-img.c.