CVE-2005-2558

4.6 MEDIUM 2% exploit odds Fix listed

What it is

Stack-based buffer overflow in the init_syms function in MySQL 4.0 before 4.0.25, 4.1 before 4.1.13, and 5.0 before 5.0.7-beta allows remote authenticated users who can create user-defined functions to execute arbitrary code via a long function_name field.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. Limited direct impact.
Exploit odds: 2.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2005-08-16 04:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:15 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 2.3% in the next 30 days (EPSS).
Severity: 4.6 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2005-08-16 04:00 UTC
Last modified: 2026-06-16 22:15 UTC
Exploit probability: 2.3% · EPSS, next 30 days
Record status: Modified

Affected

MySQL 4.1.0
MySQL 4.1.3
MySQL 4.1.10
MySQL 5.0.1
MySQL 5.0.2
MySQL 5.0.3
MySQL 5.0.4
Oracle MySQL 4.0.0

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-2005-2558.md and follow it. Check whether this project is affected by CVE-2005-2558. 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