Fedora 25: libtiff Security Advisory for Critical Threats

The libtiff package contains a library of functions for manipulating

TIFF (Tagged Image File Format) image format files. TIFF is a widely

used file format for bitmapped images. TIFF files usually end in the

.tif extension and they are often quite large.

The libtiff package should be installed if you need to manipulate TIFF

format image files.

Security fix for: * **CVE-2017-7592** * **CVE-2017-7593** * **CVE-2017-7594** *

**CVE-2017-7595** * **CVE-2017-7596** * **CVE-2017-7597** * **CVE-2017-7598** *

**CVE-2017-7599** * **CVE-2017-7600** * **CVE-2017-7601** * **CVE-2017-7602**

[ 1 ] Bug #1441263 - CVE-2017-7602 libtiff: Signed integer overflow in tif_read.c

https://bugzilla.redhat.com/show_bug.cgi?id=1441263

[ 2 ] Bug #1441261 - CVE-2017-7601 libtiff: Signed integer overflow in tif_jpeg.c

https://bugzilla.redhat.com/show_bug.cgi?id=1441261

[ 3 ] Bug #1441260 - CVE-2017-7600 libtiff: Unsigned char out of range in tif_dirwrite.c

https://bugzilla.redhat.com/show_bug.cgi?id=1441260

[ 4 ] Bug #1441259 - CVE-2017-7599 libtiff: Unsigned short out of range in tif_dirwrite.c

https://bugzilla.redhat.com/show_bug.cgi?id=1441259

[ 5 ] Bug #1441254 - CVE-2017-7598 libtiff: Divide-by-zero in tif_dirread.c

https://bugzilla.redhat.com/show_bug.cgi?id=1441254

[ 6 ] Bug #1441252 - CVE-2017-7597 libtiff: Float out of range issue in tif_dirread.c

https://bugzilla.redhat.com/show_bug.cgi?id=1441252

[ 7 ] Bug #1441250 - CVE-2017-7596 libtiff: Float out of range issue in tif_dir.c

https://bugzilla.redhat.com/show_bug.cgi?id=1441250

[ 8 ] Bug #1441248 - CVE-2017-7595 libtiff: Divide-by-zero in JPEGSetupEncode (tiff_jpeg.c)

https://bugzilla.redhat.com/show_bug.cgi?id=1441248

[ 9 ] Bug #1441247 - CVE-2017-7594 libtiff: Memory leak in OJPEGReadHeaderInfoSecTablesDcTable function

https://bugzilla.redhat.com/show_bug.cgi?id=1441247

[ 10 ] Bug #1441246 - CVE-2017-7593 libtiff: tif_rawdata not properly initialized in tif_read.c

https://bugzilla.redhat.com/show_bug.cgi?id=1441246

[ 11 ] Bug #1441240 - CVE-2017-7592 libtiff: Left shift of unsigned char without a cast

https://bugzilla.redhat.com/show_bug.cgi?id=1441240

su -c 'dnf upgrade libtiff' 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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