Apple iOS up to 12.1.4 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Apple iOS up to 12.1.4 (Smartphone Operating System). It has been rated as critical. Affected by this issue is an unknown function of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The bug was discovered 03/25/2019. The weakness was disclosed 03/25/2019 as HT209599 as confirmed advisory (Website). The advisory is shared for download at This vulnerability is handled as CVE-2019-8562 since 02/18/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 08/07/2023). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A memory corruption issue was addressed with improved validation.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371710 (Apple iTunes for Windows Prior to 12.9.4 Multiple Vulnerabilities (HT209604)).

Upgrading to version 12.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.







CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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NVD Base Score: 9.6
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Class: Memory corruption
CWE: CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

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Upgrade: iOS 12.2


02/18/2019 🔍
03/25/2019 +35 days 🔍
03/25/2019 +0 days 🔍
03/25/2019 +0 days 🔍
03/26/2019 +1 days 🔍
08/07/2023 +1595 days 🔍



Advisory: HT209599
Status: Confirmed

CVE: CVE-2019-8562 (🔍)
scip Labs:


Created: 03/26/2019 02:46 PM
Updated: 08/07/2023 02:42 PM
Changes: 03/26/2019 02:46 PM (63), 05/20/2020 02:07 PM (3), 08/07/2023 02:42 PM (4)
Complete: 🔍
Cache ID: 3:024:40


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