diff -Nru qtimageformats-opensource-src-5.14.2/debian/changelog qtimageformats-opensource-src-5.14.2/debian/changelog
--- qtimageformats-opensource-src-5.14.2/debian/changelog	2020-05-17 15:24:34.000000000 +0000
+++ qtimageformats-opensource-src-5.14.2/debian/changelog	2020-06-24 09:27:26.000000000 +0000
@@ -1,8 +1,9 @@
-qtimageformats-opensource-src (5.14.2-1ubuntu1) groovy; urgency=medium
+qtimageformats-opensource-src (5.14.2-2) unstable; urgency=medium
 
-  * Ignore tests result on armhf because of QTBUG-84267.
+  * Backport upstream patch to avoid unaligned access in WEBP decoder.
+  * Upload to unstable.
 
- -- Dmitry Shachnev <mitya57@ubuntu.com>  Sun, 17 May 2020 18:24:34 +0300
+ -- Dmitry Shachnev <mitya57@debian.org>  Wed, 24 Jun 2020 12:27:26 +0300
 
 qtimageformats-opensource-src (5.14.2-1) experimental; urgency=medium
 
diff -Nru qtimageformats-opensource-src-5.14.2/debian/control qtimageformats-opensource-src-5.14.2/debian/control
--- qtimageformats-opensource-src-5.14.2/debian/control	2020-05-17 15:24:34.000000000 +0000
+++ qtimageformats-opensource-src-5.14.2/debian/control	2020-06-24 09:27:26.000000000 +0000
@@ -1,8 +1,7 @@
 Source: qtimageformats-opensource-src
 Section: libs
 Priority: optional
-Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
-XSBC-Original-Maintainer: Debian Qt/KDE Maintainers <debian-qt-kde@lists.debian.org>
+Maintainer: Debian Qt/KDE Maintainers <debian-qt-kde@lists.debian.org>
 Uploaders: Sune Vuorela <debian@pusling.com>,
            Pino Toscano <pino@debian.org>,
            Lisandro Damián Nicanor Pérez Meyer <lisandro@debian.org>,
diff -Nru qtimageformats-opensource-src-5.14.2/debian/patches/align_icc_profile.diff qtimageformats-opensource-src-5.14.2/debian/patches/align_icc_profile.diff
--- qtimageformats-opensource-src-5.14.2/debian/patches/align_icc_profile.diff	1970-01-01 00:00:00.000000000 +0000
+++ qtimageformats-opensource-src-5.14.2/debian/patches/align_icc_profile.diff	2020-06-24 09:27:26.000000000 +0000
@@ -0,0 +1,38 @@
+Description: fix UB in webp decode and memory leak in encoder
+ Ensure the ICC block is aligned before parsing and clear the writer
+ after we have initialized it.
+Origin: upstream, https://code.qt.io/cgit/qt/qtimageformats.git/commit/?id=b761ff58d6d7b060
+Last-Update: 2020-05-18
+
+--- a/src/plugins/imageformats/webp/qwebphandler.cpp
++++ b/src/plugins/imageformats/webp/qwebphandler.cpp
+@@ -167,8 +167,11 @@ bool QWebpHandler::read(QImage *image)
+         // Read global meta-data chunks first
+         WebPChunkIterator metaDataIter;
+         if ((m_formatFlags & ICCP_FLAG) && WebPDemuxGetChunk(m_demuxer, "ICCP", 1, &metaDataIter)) {
+-            const QByteArray iccProfile = QByteArray::fromRawData(reinterpret_cast<const char *>(metaDataIter.chunk.bytes),
+-                                                                  metaDataIter.chunk.size);
++            QByteArray iccProfile = QByteArray::fromRawData(reinterpret_cast<const char *>(metaDataIter.chunk.bytes),
++                                                            metaDataIter.chunk.size);
++            // Ensure the profile is 4-byte aligned.
++            if (reinterpret_cast<qintptr>(iccProfile.constData()) & 0x3)
++                iccProfile.detach();
+             m_colorSpace = QColorSpace::fromIccProfile(iccProfile);
+             // ### consider parsing EXIF and/or XMP metadata too.
+             WebPDemuxReleaseChunkIterator(&metaDataIter);
+@@ -288,6 +291,7 @@ bool QWebpHandler::write(const QImage &i
+     if (!WebPEncode(&config, &picture)) {
+         qWarning() << "failed to encode webp picture, error code: " << picture.error_code;
+         WebPPictureFree(&picture);
++        WebPMemoryWriterClear(&writer);
+         return false;
+     }
+ 
+@@ -336,6 +340,7 @@ bool QWebpHandler::write(const QImage &i
+                    static_cast<size_t>(device()->write(reinterpret_cast<const char *>(writer.mem), writer.size)));
+     }
+     WebPPictureFree(&picture);
++    WebPMemoryWriterClear(&writer);
+ 
+     return res;
+ }
diff -Nru qtimageformats-opensource-src-5.14.2/debian/patches/series qtimageformats-opensource-src-5.14.2/debian/patches/series
--- qtimageformats-opensource-src-5.14.2/debian/patches/series	1970-01-01 00:00:00.000000000 +0000
+++ qtimageformats-opensource-src-5.14.2/debian/patches/series	2020-06-24 09:27:26.000000000 +0000
@@ -0,0 +1 @@
+align_icc_profile.diff
diff -Nru qtimageformats-opensource-src-5.14.2/debian/rules qtimageformats-opensource-src-5.14.2/debian/rules
--- qtimageformats-opensource-src-5.14.2/debian/rules	2020-05-17 15:24:34.000000000 +0000
+++ qtimageformats-opensource-src-5.14.2/debian/rules	2020-06-24 09:27:26.000000000 +0000
@@ -21,9 +21,4 @@
 	rm -rfv $(CURDIR)/debian/qt5-image-formats-plugins/usr/lib/*/cmake/
 
 override_dh_auto_test:
-ifeq ($(DEB_HOST_ARCH),armhf)
-	# Tests are failing on armhf because of https://bugreports.qt.io/browse/QTBUG-84267
-	-QT_QPA_PLATFORM=minimal dh_auto_test
-else
 	QT_QPA_PLATFORM=minimal dh_auto_test
-endif