CVE-2025-43202
Memory corruption in file processing on Apple OS; DoS fixed in 18.6/Sequoia 15.6
Is CVE-2025-43202 being exploited?
Not confirmed. CVE-2025-43202 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.42% probability of exploitation in the next 30 days.
How severe is CVE-2025-43202?
CVE-2025-43202 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2025-43202?
Yes. A fix has been recorded for CVE-2025-43202. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2025-43202 affect?
CVE-2025-43202 affects iOS, iPadOS, macOS. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2025-43202?
Upgrade to iOS/iPadOS 18.6 and macOS Sequoia 15.6
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
DoS via crafted file processing causing memory corruption on Apple devices (iOS/iPadOS/macOS).
Patch when possible
- affected< 18.6
- affected< 15.6
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.