A exiv2 security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: exiv2-0.27.3-6.fc34

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Fedora Update Notification
FEDORA-2021-10d7331a31
2021-05-04 01:00:35.907260
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Name : exiv2
Product : Fedora 34
Version : 0.27.3
Release : 6.fc34
URL :   http://www.exiv2.org/
Summary : Exif and Iptc metadata manipulation library
Description :
A command line utility to access image metadata, allowing one to:
* print the Exif metadata of Jpeg images as summary info, interpreted values,
or the plain data for each tag
* print the Iptc metadata of Jpeg images
* print the Jpeg comment of Jpeg images
* set, add and delete Exif and Iptc metadata of Jpeg images
* adjust the Exif timestamp (that's how it all started...)
* rename Exif image files according to the Exif timestamp
* extract, insert and delete Exif metadata (including thumbnails),
Iptc metadata and Jpeg comments

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Update Information:

Exiv2 update fixing security issues.
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ChangeLog:

* Thu Apr 29 2021 Jan Grulich - 0.27.3-6
- CVE-2021-3482: Fix heap-based buffer overflow in Jp2Image::readMetadata()
CVE-2021-29458 exiv2: out-of-bounds read in Exiv2::Internal::CrwMap::encode
CVE-2021-29457 exiv2: heap-based buffer overflow in Exiv2::Jp2Image::doWriteMetadata
CVE-2021-29470 exiv2: out-of-bounds read in Exiv2::Jp2Image::encodeJp2Header
CVE-2021-29473 exiv2: out-of-bounds read in Exiv2::Jp2Image::doWriteMetadata
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References:

[ 1 ] Bug #1946315 - CVE-2021-3482 exiv2: heap-based buffer overflow in Jp2Image::readMetadata() in jp2image.cpp [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1946315
[ 2 ] Bug #1952608 - CVE-2021-29458 exiv2: out-of-bounds read in Exiv2::Internal::CrwMap::encode [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1952608
[ 3 ] Bug #1952613 - CVE-2021-29457 exiv2: heap-based buffer overflow in Exiv2::Jp2Image::doWriteMetadata [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1952613
[ 4 ] Bug #1953709 - CVE-2021-29470 exiv2: out-of-bounds read in Exiv2::Jp2Image::encodeJp2Header [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1953709
[ 5 ] Bug #1954066 - CVE-2021-29473 exiv2: out-of-bounds read in Exiv2::Jp2Image::doWriteMetadata [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1954066
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-10d7331a31' at the command
line. For more information, refer to the dnf documentation available at
  http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
  https://fedoraproject.org/keys