CVE-2016-10161: The object_common1 function in ext/standard/var_unserializer.c in PHP before 5.6.30, 7.0.x before 7.0.15, a...

Security readout for executives and security teams

This PHP flaw can let a remote attacker crash an affected application by sending specially crafted serialized data. The available sources describe denial of service, not code execution or data theft. Business urgency depends on whether old PHP versions are still used where untrusted input can reach PHP deserialization. Exposure is most likely in legacy PHP applications or appliances running the affected PHP versions and processing serialized data from remote or user-controlled sources. The bundle does not identify specific vulnerable applications beyond PHP and downstream vendor advisories. Treat this as a legacy-platform availability risk. Prioritize remediation where internet-facing or business-critical PHP systems still run affected versions, especially if they deserialize external input. It is less urgent than confirmed exploited code-execution flaws, but old unsupported PHP significantly increases operational risk. Mitigation focus: Upgrade PHP to 5.6.30, 7.0.15, 7.1.1, or later supported releases.; Apply downstream vendor fixes from Red Hat, Debian, Gentoo, NetApp, or relevant package providers.; Identify and reduce use of PHP unserialization on untrusted or remote input..

Prepared

Jun 13, 2026, 12:51 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.