# CVE-2018-4344: Apple Multiple Products Memory Corruption Vulnerability

> CVE-2018-4344: Apple Multiple Products Memory Corruption Vulnerability. CVSS 7.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2018-4344
Last updated: 2025-10-21T23:45:40Z

- Published: 2019-04-03 17:43 UTC · Updated: 2025-10-21 23:45 UTC · Assigner: apple
- CVSS: 7.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 2.4%, 84th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-06-27, federal due date 2022-07-18, ransomware use: Unknown

## Description

A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- n/a: iOS, macOS, tvOS, watchOS

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2018-4344)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2018-4344)
- [https://support.apple.com/kb/HT209106](https://support.apple.com/kb/HT209106)
- [https://support.apple.com/kb/HT209107](https://support.apple.com/kb/HT209107)
- [https://support.apple.com/kb/HT209108](https://support.apple.com/kb/HT209108)
- [https://support.apple.com/kb/HT209139](https://support.apple.com/kb/HT209139)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2018-4344 · Markdown: https://rewindex.com/cve/CVE-2018-4344.md · JSON: https://rewindex.com/api/v1/cves/CVE-2018-4344 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:45:11.479Z