CVE-2003-0166 describes an integer signedness error in the emalloc() function of PHP versions prior to 4.3.2. This vulnerability allows remote attackers to trigger a denial of service through excessive memory consumption, and potentially execute arbitrary code, by providing negative arguments to functions like socket_recv and socket_recvfrom. With a CVSS score of 7.5, it is considered highly severe due to its network-based attack vector, low attack complexity, and potential for partial confidentiality, integrity, and availability impact. While not listed in CISA's KEV catalog, exploit code for this vulnerability is publicly available on ExploitDB, though there is minimal community discussion or media coverage surrounding it.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.0CPE matchmatch criteria | cpe:2.3:a:php:php:4.0:*:*:*:*:*:*:* | ||
4.0.1CPE matchmatch criteria | cpe:2.3:a:php:php:4.0.1:*:*:*:*:*:*:* | ||
4.0.2CPE matchmatch criteria | cpe:2.3:a:php:php:4.0.2:*:*:*:*:*:*:* | ||
4.0.3CPE matchmatch criteria | cpe:2.3:a:php:php:4.0.3:*:*:*:*:*:*:* | ||
4.0.4CPE matchmatch criteria | cpe:2.3:a:php:php:4.0.4:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
No social media mentions found for this CVE.
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.
Remediation records are not available for this CVE.