Critical severity9.8NVD Advisory· Published Apr 3, 2018· Updated Jun 17, 2026
CVE-2018-4124
CVE-2018-4124
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <11.2.6
- (no CPE)range: <11.2.6
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <4.2.3
- (no CPE)range: <4.2.3
- Range: <10.13.3 Supplemental Update
- Range: <11.2.6
Patches
Vulnerability mechanics
References
6- www.securitytracker.com/id/1040396nvdThird Party AdvisoryVDB Entry
- nakedsecurity.sophos.com/2018/02/20/apple-fixes-that-1-character-to-crash-your-mac-and-iphone-bug/nvdThird Party Advisory
- support.apple.com/HT208534nvdVendor Advisory
- support.apple.com/HT208535nvdVendor Advisory
- support.apple.com/HT208536nvdVendor Advisory
- support.apple.com/HT208537nvdVendor Advisory
News mentions
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