CVE-2018-4344 — Apple Multiple Products Memory Corruption Vulnerability
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.
Published
2019-04-03T17:43:15.000Z
Last modified
2025-10-21T23:45:40.920Z
CISA KEV — Actively Exploited
01What is this vulnerability?
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.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / iOS, macOS, tvOS, watchOS | Versions prior to: iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5 |
03Active exploitation status
Yes — actively exploited. Added to the CISA KEV catalog on 2022-06-27. Ransomware use: Unknown.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:
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07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2019-04-03T17:43:15.000Z
- Last modified: 2025-10-21T23:45:40.920Z
- Added to CISA KEV: 2022-06-27
- BOD 22-01 due: 2022-07-18
09References
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