Fedora 34 Exiv2: 2021-10d7331a31 Critical Buffer Overflow

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

Exiv2 update fixing security issues.

* 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

[ 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

su -c 'dnf upgrade --advisory FEDORA-2021-10d7331a31' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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/security/

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