CVE-2015-8668

Name: CVE-2015-8668
Creator: NVD / NIST
Published: 2016-01-08T19:59:18.477+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 13.72%

Last modified Jun 17, 2026

CVE-2015-8668 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 13.72% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

13.72%

96.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Libtiff	Libtiff	<= 4.0.6
Oracle	Vm Server	3.3
Oracle	Vm Server	3.4
Oracle	Linux	6
Oracle	Linux	7
Redhat	Enterprise Linux	6.0
Redhat	Enterprise Linux	7.0
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Workstation	6.0
Redhat	Enterprise Linux Workstation	7.0

References

http://packetstormsecurity.com/files/135080/libtiff-4.0.6-Heap-Overflow.htmlExploit, Third Party Advisory, VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-1546.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1547.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlThird Party Advisory
http://www.securityfocus.com/archive/1/537208/100/0/threadedBroken Link, VDB Entry
https://security.gentoo.org/glsa/201701-16Third Party Advisory
http://packetstormsecurity.com/files/135080/libtiff-4.0.6-Heap-Overflow.htmlExploit, Third Party Advisory, VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-1546.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1547.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlThird Party Advisory
http://www.securityfocus.com/archive/1/537208/100/0/threadedBroken Link, VDB Entry
https://security.gentoo.org/glsa/201701-16Third Party Advisory

Timeline

Published: Jan 8, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-8668?

How severe is CVE-2015-8668?

CVE-2015-8668 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 13.72% probability of exploitation in the next 30 days.

How do I fix CVE-2015-8668?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-8668?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST