What’s Vulnerable › Vulnerabilities

CVE-2015-8668

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 13.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-01-08 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• libtiff: through 4.0.6
• Oracle Corporation Oracle Linux: 6, 7
• Oracle Vm Server: 3.3, 3.4
• Red Hat Enterprise Linux: 6.0, 7.0
• RedHat Enterprise Linux Desktop: 6.0, 7.0
• RedHat Enterprise Linux Workstation: 6.0, 7.0

References

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

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