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PHP CVEs

Vulnerabilities in the PHP language itself, and which PHP versions they affect.

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CVE-2003-0166

HIGH 7.5 CVSS 2.0
Published
April 2, 2003
Last modified
June 16, 2026
NVD status
Modified
Reported by
cve@mitre.org
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P

Description

Integer signedness error in emalloc() function for PHP before 4.3.2 allow remote attackers to cause a denial of service (memory consumption) and possibly execute arbitrary code via negative arguments to functions such as (1) socket_recv, (2) socket_recvfrom, and possibly other functions.

Affected products and versions

  • PHP versions 4.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.0.6, 4.0.7, 4.1.0, 4.1.1, 4.1.2, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.3.0, 4.3.1

References