A mingw-exiv2 security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: mingw-exiv2-0.27.4-3.fc34

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Fedora Update Notification
FEDORA-2021-399f869889
2021-08-20 01:19:03.722543
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Name : mingw-exiv2
Product : Fedora 34
Version : 0.27.4
Release : 3.fc34
URL :   http://www.exiv2.org/
Summary : MinGW Windows exiv2 library
Description :
MinGW Windows exiv2 library.

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Update Information:

Backport multiple security fixes.
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ChangeLog:

* Wed Aug 11 2021 Sandro Mani - 0.27.4-3
- Backport patch for CVE-2021-37618
- Backport patch for CVE-2021-37619
- Backport patch for CVE-2021-37620
- Backport patch for CVE-2021-37621
- Backport patch for CVE-2021-37622
- Backport patch for CVE-2021-37623
- Backport patch for CVE-2021-32815
- Backport patch for CVE-2021-34334
- Backport patch for CVE-2021-37615 and CVE-2021-37615
- Backport patch for CVE-2021-34335
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References:

[ 1 ] Bug #1990329 - CVE-2021-31291 mingw-exiv2: exiv2: Heap-based buffer overflow vulnerability in jp2image.cpp [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1990329
[ 2 ] Bug #1990332 - CVE-2021-31292 mingw-exiv2: exiv2: Integer overflow in CrwMap:encode0x1810 leading to heap-based buffer overflow and DoS [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1990332
[ 3 ] Bug #1992167 - CVE-2021-37618 mingw-exiv2: exiv2: out-of-bounds read in Exiv2::Jp2Image::printStructure [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1992167
[ 4 ] Bug #1992176 - CVE-2021-37619 mingw-exiv2: exiv2: out-of-bounds read in Exiv2::Jp2Image::encodeJp2Header [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1992176
[ 5 ] Bug #1992181 - CVE-2021-37620 mingw-exiv2: exiv2: out-of-bounds read in XmpTextValue::read() [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1992181
[ 6 ] Bug #1992185 - CVE-2021-37621 mingw-exiv2: exiv2: DoS due to infinite loop in Image::printIFDStructure [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1992185
[ 7 ] Bug #1992188 - CVE-2021-37622 mingw-exiv2: exiv2: DoS due to infinite loop in JpegBase::printStructure [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1992188
[ 8 ] Bug #1992192 - CVE-2021-37623 mingw-exiv2: exiv2: DoS due to infinite loop in JpegBase::printStructure [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1992192
[ 9 ] Bug #1992199 - CVE-2021-32815 mingw-exiv2: exiv2: DoS due to assertion failure in crwimage_int.cpp [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1992199
[ 10 ] Bug #1992203 - CVE-2021-34334 mingw-exiv2: exiv2: DoS due to integer overflow in loop counter [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1992203
[ 11 ] Bug #1992208 - CVE-2021-37616 mingw-exiv2: exiv2: NULL pointer dereference in Exiv2::Internal::resolveLens0x8ff [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1992208
[ 12 ] Bug #1992212 - CVE-2021-34335 mingw-exiv2: exiv2: DoS due to FPE in Exiv2::Internal::resolveLens0xffff [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1992212
[ 13 ] Bug #1992215 - CVE-2021-37615 mingw-exiv2: exiv2: NULL pointer dereference in Exiv2::Internal::resolveLens0x319 [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1992215
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-399f869889' 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