SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-8518

Multiple memory corruption issues were addressed with improved memory handling.

EXPLOIT ✓HIGH 8.8EPSS 11.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 11.1%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
11.10% probability · 96th percentile
Public exploits
1 in Exploit-DB · verified · first 3 April 2019
CISA KEV
Not listed
Weakness
CWE-787
Affected
apple/icloud · apple/itunes · apple/safari · apple/iphone os · apple/tvos · apple/watchos
Source
product-security@apple.com
EPSS trend
0%8%15%26 October 2026: 11.10%26 October 202626 October 2026

EPSS 11.1% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-46649source ↗WebKit JavaScriptCore - Out-Of-Bounds Access in FTL JIT due to LICM Moving Array Access Before the Bounds Checkmultiple · Google Security Researchdos3 April 2019yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.