This update for libexif to 0.6.22 fixes the following issues:

Security issues fixed:

- CVE-2016-6328: Fixed an integer overflow in parsing MNOTE entry data of the input file (bsc#1055857).
- CVE-2017-7544: Fixed an out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c (bsc#1059893).
- CVE-2018-20030: Fixed a denial of service by endless recursion (bsc#1120943).
- CVE-2019-9278: Fixed an integer overflow (bsc#1160770).
- CVE-2020-0093: Fixed an out-of-bounds read in exif_data_save_data_entry (bsc#1171847).
- CVE-2020-12767: Fixed a divide-by-zero error in exif_entry_get_value (bsc#1171475).
- CVE-2020-13112: Fixed a time consumption DoS when parsing canon array markers (bsc#1172121).
- CVE-2020-13113: Fixed a potential use of uninitialized memory (bsc#1172105).
- CVE-2020-13114: Fixed various buffer overread fixes due to integer overflows in maker notes (bsc#1172116).

Non-security issues fixed:

- libexif was updated to version 0.6.22:
  * New translations: ms
  * Updated translations for most languages
  * Some useful EXIF 2.3 tag added:
    * EXIF_TAG_GAMMA
    * EXIF_TAG_COMPOSITE_IMAGE
    * EXIF_TAG_SOURCE_IMAGE_NUMBER_OF_COMPOSITE_IMAGE
    * EXIF_TAG_SOURCE_EXPOSURE_TIMES_OF_COMPOSITE_IMAGE
    * EXIF_TAG_GPS_H_POSITIONING_ERROR
    * EXIF_TAG_CAMERA_OWNER_NAME
    * EXIF_TAG_BODY_SERIAL_NUMBER
    * EXIF_TAG_LENS_SPECIFICATION
    * EXIF_TAG_LENS_MAKE
    * EXIF_TAG_LENS_MODEL
    * EXIF_TAG_LENS_SERIAL_NUMBER