The ovrimos_longreadlen function in the Ovrimos extension for PHP before 4.4.5 allows context-dependent attackers to write to arbitrary memory locations via the result_id and length arguments.
Severity
Medium 5.1
Published
10 Mar 2007
Last changed
16 Jun 2026
Added to UpHeron
14 Oct 2026
Exploit chance
1% in the next 30 daysHigher than 64% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · Only under certain conditions · No login needed