CVE-2015-8668

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

13.7% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2015-12-24 00:00 UTC ReservedThe CVE id was reserved by its CNA
2. 2016-01-08 19:59 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-06-17 00:35 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 13.7% in the next 30 days (EPSS).
• Severity: 9.8 CRITICAL (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2016-01-08 19:59 UTC

Last modified

2026-06-17 00:35 UTC

Exploit probability

13.7% · EPSS, next 30 days

Weakness

CWE-787 · Out-of-bounds write

Record status

Modified

Affected

• 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

Attack profile CVSS 3.1 · 9.8

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2015-8668.md and follow it. Check whether this project is affected by CVE-2015-8668. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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