Out-of-Bounds Write in Apple iOS, iPadOS, and macOS (CVE‑2025‑43300) Risks Remote Code Execution
What It Is — Apple’s Image I/O framework on iOS, iPadOS, and macOS contains an out‑of‑bounds write that can corrupt memory.
Exploitability — Publicly disclosed; no known public exploit yet, but the CVSS base score is 8.8 (High), indicating a realistic path to remote code execution.
Affected Products — iOS 17.0‑17.2, iPadOS 17.0‑17.2, macOS Ventura 13.0‑13.2 (all versions that include the vulnerable Image I/O component).
Why It Matters for Trust & Control Assurance
- Demonstrates the need for continuous patch‑management evidence to satisfy control objectives around vulnerability remediation.
- A missing or delayed update can break the “maintain secure configurations” control, which maps to multiple frameworks (e.g., NIST CSF Identify‑Protect, ISO 27001 A.12.6).
- Enterprise buyers increasingly request auditable proof that OS‑level flaws are tracked, mitigated, and documented in a defensible trust repository.
Recommended Actions
- Verify devices are running the latest Apple security updates that address CVE‑2025‑43300.
- Update your asset inventory and patch‑status dashboards to capture the remediation state.
- Incorporate the patch‑verification step into your continuous control monitoring workflow.
- Monitor threat feeds for any emerging exploit activity targeting the Image I/O framework.
Source: CISA KEV – CVE‑2025‑43300