An uncontrolled memory allocation in DataBufdata(subBox.length-sizeof(box)) function of Exiv2 0.27 allows attackers to cause a denial of service (DOS) via a crafted input.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-18899
Reference (s):
- https://github.com/Exiv2/exiv2/issues/742