CVE-2005-4178 Memory corruption in n/a

What is CVE-2005-4178?

CVE-2005-4178 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 12 Dec 2005. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Buffer overflow in Dropbear server before 0.47 allows authenticated users to execute arbitrary code via unspecified inputs that cause insufficient memory to be allocated due to an incorrect expression that does not enforce the proper order of operations.

Which versions are affected by CVE-2005-4178?

It affects 2 products.

Products include Debian Debian Linux, Dropbear Ssh Project Dropbear Ssh.

How do I fix CVE-2005-4178?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2005-4178 being exploited?

There is no known exploitation of CVE-2005-4178 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

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• 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-2005-4178, DSA-923-1, GHSA-6483-gg6m-x7w8.