CVE-2005-1406

4.6 MEDIUM 0.4% exploit odds Fix listed

What it is

The kernel in FreeBSD 4.x to 4.11 and 5.x to 5.4 does not properly clear certain fixed-length buffers when copying variable-length data for use by applications, which could allow those applications to read previously used sensitive memory.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. Limited direct impact.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2005-05-06 04:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:12 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.4% in the next 30 days (EPSS).
Severity: 4.6 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2005-05-06 04:00 UTC
Last modified: 2026-06-16 22:12 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Record status: Modified

Affected

Freebsd 4.1
Freebsd 4.2
Freebsd 4.3
Freebsd 4.4
Freebsd 4.5
Freebsd 4.6
Freebsd 4.7
Freebsd 4.8

Attack profile CVSS 2.0 · 4.6

Attack vector: Local
Complexity: Low
Authentication: None
Confidentiality: Partial
Integrity: Partial
Availability: Partial

Raw vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

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-2005-1406.md and follow it. Check whether this project is affected by CVE-2005-1406. 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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Fix and advisories

References

NVD record · CVE.org record