CVE-1999-0939 Denial of service in n/a

What is CVE-1999-0939?

CVE-1999-0939 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 4 Jan 2000. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Denial of service in Debian IRC Epic/epic4 client via a long string.

Which versions are affected by CVE-1999-0939?

It affects 1 product.

Products include Debian Debian Linux.

How do I fix CVE-1999-0939?

No fix has been published for CVE-1999-0939 yet. Limit exposure of the affected software until one is available.

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-1999-0939 being exploited?

There is no known exploitation of CVE-1999-0939 in the wild and no public exploit code.

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• 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 GHSA-3g3c-85xr-23j3.