Updated jhead package fixes security vulnerabilities:
jhead through 3.04 has a heap-based buffer over-read in process_DQT in jpgqguess.c (CVE-2020-6624).
jhead through 3.04 has a heap-based buffer over-read in Get32s when called from ProcessGpsInfo in gpsinfo.c (CVE-2020-6625).
A heap-based buffer overflow was found in jhead in version 3.06 in Get16u() in exif.c when processing a crafted file (CVE-2021-3496).