Security readout for executives and security teams
CVE-2018-4456 is an Apple macOS memory corruption flaw fixed by improved input validation. The source bundle identifies affected macOS versions before High Sierra 10.13.6 and Mojave 10.14, but does not state impact, component, CVSS, or exploitability. Exposure is most likely limited to Macs running macOS versions earlier than High Sierra 10.13.6 or Mojave 10.14. Unsupported legacy endpoints are the main concern. Medium operational priority if legacy Macs exist; otherwise low urgency. There is no active exploitation evidence in the bundle, but unpatched memory corruption flaws on old endpoints should not remain unmanaged. Mitigation focus: Update affected Macs to Apple-fixed or currently supported macOS releases.; Prioritize systems older than High Sierra 10.13.6 or Mojave 10.14.; Check Apple advisories for the exact applicable security update path..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2018-4456 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/kb/HT209139CVE reference · x_refsource_MISC
- https://support.apple.com/kb/HT208937CVE reference · x_refsource_MISC
- https://support.apple.com/kb/HT209341CVE reference · x_refsource_MISC
- https://support.apple.com/kb/HT210119CVE reference · x_refsource_CONFIRM
- 20190514 APPLE-SA-2019-5-13-2 macOS Mojave 10.14.5, Security Update 2019-003 High Sierra, Security Update 2019-003 SierraCVE reference · mailing-list, x_refsource_BUGTRAQ
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.