An issue was discovered in certain Apple products
Published Apr 3, 2018
9.8
CRITICALCVSS 3.0
EPSS 5.85%
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 products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (25 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.85% (0.05855) | 92.96th | v5 (v2026.06.15) |
| Aug 28, 2026 | 5.69% (0.05688) | 92.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.69% (0.06694) | 93.03th | v5 (v2026.06.15) |
| Nov 21, 2025 | 26.22% (0.26216) | 96.09th | v4 (v2025.03.14) |
| Nov 18, 2025 | 30.39% (0.30388) | 96.44th | v4 (v2025.03.14) |
| Mar 30, 2025 | 27.06% (0.27059) | 95.95th | v4 (v2025.03.14) |
| Mar 29, 2025 | 48.96% (0.48962) | 96.74th | v4 (v2025.03.14) |
| Mar 28, 2025 | 27.06% (0.27059) | 95.95th | v4 (v2025.03.14) |
| Mar 27, 2025 | 48.96% (0.48962) | 97.38th | v4 (v2025.03.14) |
| Mar 20, 2025 | 43.46% (0.43456) | 97.26th | v4 (v2025.03.14) |
| Mar 19, 2025 | 48.96% (0.48962) | 97.44th | v4 (v2025.03.14) |
| Mar 17, 2025 | 30.77% (0.30771) | 96.32th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.73% (0.02726) | 90.24th | v3 (v2023.03.01) |
| Oct 4, 2023 | 1.87% (0.01868) | 87.01th | v3 (v2023.03.01) |
| Aug 25, 2023 | 1.94% (0.01943) | 87.18th | v3 (v2023.03.01) |
| May 2, 2023 | 2.18% (0.02179) | 87.73th | v3 (v2023.03.01) |
| Mar 28, 2023 | 2.23% (0.02228) | 87.77th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.80% (0.01798) | 86.20th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.30% (0.12300) | 95.31th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.30% (0.12300) | 94.94th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.30% (0.12300) | 89.42th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.22% (0.01224) | 30.00th | v1 |
| Jan 6, 2022 | 1.22% (0.01224) | 29.36th | v1 |
| Sep 1, 2021 | 1.22% (0.01224) | 67.32th | v1 |
| Apr 14, 2021 | 1.22% (0.01224) | 0.00th | v1 |
References (6)
- http://www.securitytracker.com/id/1040396 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://nakedsecurity.sophos.com/2018/02/20/apple-fixes-that-1-character-to-crash-your-mac-and-iphone-bug/ x_refsource_MISCThird Party Advisory
- https://support.apple.com/HT208534 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT208535 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT208536 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/HT208537 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securitytracker.com/id/1040396 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://nakedsecurity.sophos.com/2018/02/20/apple-fixes-that-1-character-to-crash-your-mac-and-iphone-bug/ | x_refsource_MISCThird Party Advisory | |
| https://support.apple.com/HT208534 | x_refsource_CONFIRMVendor Advisory | |
| https://support.apple.com/HT208535 | x_refsource_CONFIRMVendor Advisory | |
| https://support.apple.com/HT208536 | x_refsource_CONFIRMVendor Advisory | |
| https://support.apple.com/HT208537 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.