Services race to update systems after critical PHP cyber-security flaw discovered

Several websites were taken offline as a precaution after a serious security problem came to light. The developers of the PHP programming language announced that critical vulnerabilities had been found in the software. Organisations responsible for affected services have been working quickly to update their computer systems. The article provided limited detail beyond the announcement and the resulting site outages. Further information on the scope of the flaw and the number of affected services was not available in the source text.