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CVE-2018-4259

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to macOS High Sierra…

Critical9.8EPSS 2.1%
Published
Updated
Reserved
Assigned by
apple

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to macOS High Sierra 10.13.6.

Scores

CVSS scores of CVE-2018-4259, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0Critical9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
2.1% · top 19% of all CVEs (4 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

Affected products

  • macOS

    • affected Versions prior to: macOS High Sierra 10.13.6

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2018-4259 badge
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Record last updated .