Exiv2 has an unspecified vulnerability (CNVD-2021-62175)

Exiv2 is a set of C libraries and command line applications for managing image metadata. It provides the ability to read and write image metadata in a variety of formats such as EXIF, IPTC, and XMP.A security vulnerability exists in Exiv2 v0.27.1, which stems from a buffer overflow vulnerability in the Databuf function that could be exploited by an attacker to cause a denial of service (DOS).