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Synthesis of the vulnerability 
An attacker can trigger an integer overflow via _TIFFCheckMalloc() of LibTIFF, in order to trigger a denial of service, and possibly to run code.
 Vulnerable products: Debian, LibTIFF, openSUSE Leap, Solaris, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this weakness: 2/4.
Creation date: 19/08/2019.
Références of this bulletin: CVE-2019-14973, DLA-1897-1, DSA-4608-1, DSA-4670-1, openSUSE-SU-2020:1561-1, openSUSE-SU-2020:1840-1, RHSA-2020:1688-01, RHSA-2020:3902-01, SSA:2019-308-01, SUSE-SU-2019:3058-1, SUSE-SU-2020:2744-1, USN-4158-1, VIGILANCE-VUL-30078.
Description of the vulnerability 
An attacker can trigger an integer overflow via _TIFFCheckMalloc() of LibTIFF, in order to trigger a denial of service, and possibly to run code.
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This security announce impacts software or systems such as Debian, LibTIFF, openSUSE Leap, Solaris, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Our Vigil@nce team determined that the severity of this threat is medium.
The trust level is of type confirmed by the editor, with an origin of document.
An attacker with a expert ability can exploit this computer vulnerability announce.
Solutions for this threat 
LibTIFF: version 4.1.0.
The version 4.1.0 is fixed:
http://www.simplesystems.org/libtiff/v4.1.0.html
http://libtiff.maptools.org/v4.1.0.html
LibTIFF: patch for _TIFFCheckMalloc.
A patch is available:
https://gitlab.com/libtiff/libtiff/merge_requests/90
Debian 10: new tiff packages.
New packages are available:
Debian 10: tiff 4.1.0+git191117-2~deb10u1
Debian 8: new tiff packages.
New packages are available:
Debian 8: tiff 4.0.3-12.3+deb8u9
Debian 9: new tiff packages.
New packages are available:
Debian 9: tiff 4.0.8-2+deb9u5
openSUSE Leap 15.1: new tiff packages.
New packages are available:
openSUSE Leap 15.1: tiff 4.0.9-lp151.10.3.1
openSUSE Leap 15.2: new tiff packages.
New packages are available:
openSUSE Leap 15.2: tiff 4.0.9-lp152.11.3.1
Oracle Solaris: patch for third party software of October 2019 v2.
A patch is available:
https://support.oracle.com/rs?type=doc&id=1448883.1
RHEL 7.8: new libtiff packages.
New packages are available:
RHEL 7.0-7.8: libtiff 4.0.3-35.el7
RHEL 8: new libtiff packages.
New packages are available:
RHEL 8.0-8.1: libtiff 4.0.9-17.el8
Slackware: new libtiff packages.
New packages are available:
Slackware 14.2: libtiff 4.1.0-*-1_slack14.2
SUSE LE 12: new tiff packages.
New packages are available:
SUSE LE 12 SP4: tiff 4.0.9-44.42.1
SUSE LE 12 SP5: tiff 4.0.9-44.42.1
SUSE LE 15: new tiff packages.
New packages are available:
SUSE LE 15 SP2: libtiff5 4.0.9-5.30.28
SUSE LE 15 SP1: libtiff5 4.0.9-5.30.28
Ubuntu: new libtiff5 packages.
New packages are available:
Ubuntu 19.04: libtiff5 4.0.10-4ubuntu0.1
Ubuntu 18.04 LTS: libtiff5 4.0.9-5ubuntu0.3
Ubuntu 16.04 LTS: libtiff5 4.0.6-1ubuntu0.7
Wind River Linux: version 10.17.41.20.
The version 10.17.41.20 is fixed:
https://support2.windriver.com/
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