Buffer overflow in Apple iOS And Ipados

CVE-2025-43349

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7 and iPadOS 18.7, iOS 26 and iPadOS 26, macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing a maliciously crafted video file may lead to unexpected app termination.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (38.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.8 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-43349?
CVE-2025-43349 is a low-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Write. CVSS score: 2.8/10. Published 2025-09-15.
How severe is CVE-2025-43349?
Low severity. CVSS v3 base score is 2.8 out of 10.
Is CVE-2025-43349 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.