CVE-2007-1711

6.8 MEDIUM 8% exploit odds No fix listed Code execution Web app

What it is

Double free vulnerability in the unserializer in PHP 4.4.5 and 4.4.6 allows context-dependent attackers to execute arbitrary code by overwriting variables pointing to (1) the GLOBALS array or (2) the session data in _SESSION. NOTE: this issue was introduced when attempting to patch CVE-2007-1701 (MOPB-31-2007).

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 7.7% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2007-03-27 01:19 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:38 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 7.7% in the next 30 days (EPSS).
Severity: 6.8 MEDIUM (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2007-03-27 01:19 UTC
Last modified: 2026-06-16 22:38 UTC
Exploit probability: 7.7% · EPSS, next 30 days
Record status: Modified

Affected

PHP 4.4.5
PHP 4.4.6

Attack profile CVSS 2.0 · 6.8

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

Raw vector

AV:N/AC:M/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-2007-1711.md and follow it. Check whether this project is affected by CVE-2007-1711. 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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References

NVD record · CVE.org record