CVE-2007-1889 describes an integer signedness error within the Zend Memory Manager ( _zend_mm_alloc_int function) in PHP 5.2.0. This flaw allows remote attackers to execute arbitrary code by making a large emalloc request, specifically due to an incorrect signed long cast. The vulnerability has a CVSS score of 7.5, indicating high severity with a network-based attack vector, low attack complexity, and potential for partial confidentiality, integrity, and availability impact. While the vulnerability is severe, there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community or media attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.2.0CPE matchmatch criteria | cpe:2.3:a:php:php:5.2.0:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.