Buffer overflow in the PixarLogDecode function in tif_pixarlog.c in LibTIFF 4.0.6 and earlier allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted TIFF image, as demonstrated by overwriting the vgetparent function pointer with rgb2ycbcr.
http://bugzilla.maptools.org/show_bug.cgi?id=2554
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00017.html
http://lists.opensuse.org/opensuse-updates/2016-07/msg00087.html
http://lists.opensuse.org/opensuse-updates/2016-09/msg00060.html
http://lists.opensuse.org/opensuse-updates/2016-09/msg00090.html
http://www.openwall.com/lists/oss-security/2016/06/15/1
http://www.openwall.com/lists/oss-security/2016/06/15/9
http://www.openwall.com/lists/oss-security/2016/06/30/3
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/91195
http://www.securityfocus.com/bid/91245
https://bugzilla.redhat.com/show_bug.cgi?id=1346687
https://github.com/vadz/libtiff/commit/391e77fcd217e78b2c51342ac3ddb7100ecacdd2
Source: MITRE
Published: 2018-03-12
Updated: 2018-04-05
Type: CWE-787
Base Score: 6.8
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8
Severity: HIGH