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CVE-2018-4124

N/A

Published: April 3, 2018 at 06:00 AM UTC

Updated: June 17, 2026 at 01:58 AM UTC

4 products affected across 1 vendormacOSiPhone OStvOS

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Severity

N/A

Exploit prediction

EPSS 6%

Description

An issue was discovered in certain Apple products. iOS before 11.2.6 is affected. macOS before 10.13.3 Supplemental Update is affected. tvOS before 11.2.6 is affected. watchOS before 4.2.3 is affected. The issue involves the "CoreText" component. It allows remote attackers to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact via a crafted string containing a certain Telugu character.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

iPhone OS · Apple

95%

v < 11.2.6

Affected range stops below 11.2.6, so it looks safe — our inference, not a vendor statement

95%

v < 10.13.3

Affected range stops below 10.13.3, so it looks safe — our inference, not a vendor statement

95%

v < 11.2.6

Affected range stops below 11.2.6, so it looks safe — our inference, not a vendor statement

watchOS · Apple

95%

v < 4.2.3

Affected range stops below 4.2.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (6)

VDB Entryx_refsource_SECTRACKThird Party Advisory

Source: [email protected]

http://www.securitytracker.com/id/1040396

x_refsource_MISCThird Party Advisory

Source: [email protected]

https://nakedsecurity.sophos.com/2018/02/20/apple-fixes-that-1-character-to-crash-your-mac-and-iphone-bug/

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://support.apple.com/HT208534

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://support.apple.com/HT208535

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://support.apple.com/HT208536

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://support.apple.com/HT208537

CVSS

9HIGH[email protected]

Confidentiality: PARTIAL
Integrity: PARTIAL
Availability: COMPLETE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-119

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