CVE-2017-6299 Denial of service in n/a

What is CVE-2017-6299?

CVE-2017-6299 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 24 Feb 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

An issue was discovered in ytnef before 1.9.1. This is related to a patch described as "2 of 9. Infinite Loop / DoS in the TNEFFillMapi function in lib/ytnef.c."

Weakness: CWE-835

Which versions are affected by CVE-2017-6299?

It affects 2 products.

Products include Debian Debian Linux, Ytnef Project Ytnef.

How do I fix CVE-2017-6299?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2017-6299 being exploited?

There is no known exploitation of CVE-2017-6299 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2017-6299, GHSA-48mr-3phh-9xcg, UBUNTU-CVE-2017-6299.