PHP 4.3.4 and earlier in Apache 1.x and 2.x (mod_php) can leak global variables between virtual hosts that are handled by the same Apache child process but have different settings, which could allow remote attackers to obtain sensitive information.
Severity
Medium 5.0
Published
23 Nov 2004
Last changed
16 Jun 2026
Added to UpHeron
17 Oct 2026
Exploit chance
3.9% in the next 30 daysHigher than 90% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read some data
CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Sources
NVD
Affected software
Software
Affected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server