PHP 4.0.0 through 4.4.6 and 5.0.0 through 5.2.1 allows context-dependent attackers to read arbitrary memory locations via an interruption that triggers a user space error handler that changes a parameter to an arbitrary pointer, as demonstrated via the iptcembed function, which calls certain convert_to_* functions with its input parameters.
Severity
High 7.8
Published
6 Apr 2007
Last changed
16 Jun 2026
Added to UpHeron
14 Oct 2026
Exploit chance
1.4% in the next 30 daysHigher than 73% of CVEs. EPSS by FIRST, 12 Nov 2026