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Vulnerability record · CVE-2015-8668 · published 8 January 2016

CVE-2015-8668: Libtiff out-of-bounds write vulnerability

Libtiff · Libtiff

Heap-based buffer overflow in the PackBitsPreEncode function in tif_packbits.c in bmp2tiff in libtiff 4.0.6 and earlier allows remote attackers to execute arbitrary code or cause a denial of service via a large width field in a BMP image.

9.8 CVSS 3.1 Critical EPSS 14% · top 3.6% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score, v2 7.5
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
14References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in the PackBitsPreEncode function in tif_packbits.c in bmp2tiff in libtiff 4.0.6 and earlier allows remote attackers to execute arbitrary code or cause a denial of service via a large width field in a BMP image.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/135080/libtiff-4.0.6-Heap-Overflow.html ExploitThird Party AdvisoryVDB Entry
http://rhn.redhat.com/errata/RHSA-2016-1546.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1547.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Third Party Advisory
http://www.securityfocus.com/archive/1/537208/100/0/threaded Broken LinkVDB Entry
https://security.gentoo.org/glsa/201701-16 Third Party Advisory
http://packetstormsecurity.com/files/135080/libtiff-4.0.6-Heap-Overflow.html ExploitThird Party AdvisoryVDB Entry
http://rhn.redhat.com/errata/RHSA-2016-1546.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1547.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Third Party Advisory
http://www.securityfocus.com/archive/1/537208/100/0/threaded Broken LinkVDB Entry
https://security.gentoo.org/glsa/201701-16 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2015-8668), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.