CVE-2006-4486

2.6 LOW 2% exploit odds Fix listed

What it is

Integer overflow in memory allocation routines in PHP before 5.1.6, when running on a 64-bit system, allows context-dependent attackers to bypass the memory_limit restriction.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 2.4% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2006-08-31 21:04 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:29 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 2.4% in the next 30 days (EPSS).
Severity: 2.6 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2006-08-31 21:04 UTC
Last modified: 2026-06-16 22:29 UTC
Exploit probability: 2.4% · EPSS, next 30 days
Weakness: CWE-189
Record status: Modified

Affected

PHP 5.1.0
PHP 5.1.1
PHP 5.1.2
PHP 5.1.4
PHP 5.1.5

Attack profile CVSS 2.0 · 2.6

Attack vector: Network
Complexity: High
Authentication: None
Confidentiality: None
Integrity: Partial
Availability: None

Raw vector

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

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-2006-4486.md and follow it. Check whether this project is affected by CVE-2006-4486. 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