CVE-2016-4718

Buffer overflow in FontParser in Apple iOS before 10, OS X before 10.12, tvOS before 10, and...

6.5 Medium

Buffer overflow in FontParser in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3 allows remote attackers to obtain sensitive information from process memory via a crafted font file.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

2.57%Up 0.6 points since Feb 4, 2022

What each source reports

NVD Score used 6.5

Record: CVE-2016-4718
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2016-4718
Updated: 2026-11-02

EUVDEUVD-2016-5703 No score

Record: EUVD-2016-5703
Updated: 2026-11-03

GitHub AdvisoriesGHSA-42jq-7c3c-8rc3 6.5

Buffer overflow in FontParser in Apple iOS before 10, OS X before 10.12, tvOS before 10, and...

Record: GHSA-42jq-7c3c-8rc3
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness: CWE-119
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-4718 is a medium vulnerability (CVSS 6.5) in Apple Tvos, published September 25, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.57%, the 85th percentile. No source names a fixed version.

References

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