CVE-2015-8668
CRITICALCVSS 9.8/10EPSS 13.72%
Last modified
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/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
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.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.securityfocus.com/archive/1/537208/100/0/threadedBroken Link, VDB Entry
- https://security.gentoo.org/glsa/201701-16Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2015-8668?
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.
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2015-8668?
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Scan your code nowSource: NVD / NIST