What is CVE-2017-2461?

CVE-2017-2461 is a high-severity vulnerability in Apple Iphone OS, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-04-02.

How severe is CVE-2017-2461?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Apple Iphone OS

CVE-2017-2461

An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves the "CoreText" component. It allows remote attackers to cause a denial of service (resource consumption) via a crafted text message.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2017-04-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.029 (86.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000

Affected products

Weakness classification (CWE)

References

www.securityfocus.com/bid/97137 (VDB Entry, Third Party Advisory, vdb-entry)
support.apple.com/HT207601 (Vendor Advisory)
support.apple.com/HT207615 (Vendor Advisory)
www.securitytracker.com/id/1038138 (vdb-entry)
support.apple.com/HT207602 (Vendor Advisory)
support.apple.com/HT207617 (Vendor Advisory)

Frequently asked questions

What is CVE-2017-2461?: CVE-2017-2461 is a high-severity vulnerability in Apple Iphone OS, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-04-02.
How severe is CVE-2017-2461?: High severity. CVSS v3 base score is 7.5 out of 10.