CVE-2018-4210
In iOS before 11.3, Safari before 11.1, tvOS before 11.3, watchOS before 4.3, iTunes before 12.7.4 for Windows, an array indexing issue existed in the handling of a function in javascript core.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In iOS before 11.3, Safari before 11.1, tvOS before 11.3, watchOS before 4.3, iTunes before 12.7.4 for Windows, an array indexing issue existed in the handling of a function in javascript core. This issue was addressed with improved checks.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.25% probability · 83th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-129
- Affected
- apple/safari · apple/iphone os · apple/tvos · apple/watchos · apple/itunes · canonical/ubuntu linux · webkitgtk/webkitgtk\+
- Source
- product-security@apple.com
EPSS 2.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://security.gentoo.org/glsa/201812-04Third Party Advisory
- https://support.apple.com/HT208693%2C
- https://support.apple.com/HT208694%2C
- https://support.apple.com/HT208695%2C
- https://support.apple.com/HT208698Vendor Advisory
- https://usn.ubuntu.com/3781-1/Third Party Advisory
- https://security.gentoo.org/glsa/201812-04Third Party Advisory
- https://support.apple.com/HT208693%2C
- https://support.apple.com/HT208694%2C
- https://support.apple.com/HT208695%2C
- https://support.apple.com/HT208698Vendor Advisory
- https://usn.ubuntu.com/3781-1/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.