VulnerabilityModified
CVE-2018-4291
Multiple memory corruption issues were addressed with improved memory handling.
CRITICAL 9.8EPSS 2.06%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to macOS High Sierra 10.13.6.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.06% probability · 81th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- apple/mac os x
- Source
- product-security@apple.com
EPSS 2.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/172831/macOS-NFS-Client-Buffer-Overflow.html
- https://support.apple.com/kb/HT208937Vendor Advisory
- https://support.apple.com/kb/HT209193Vendor Advisory
- http://packetstormsecurity.com/files/172831/macOS-NFS-Client-Buffer-Overflow.html
- https://support.apple.com/kb/HT208937Vendor Advisory
- https://support.apple.com/kb/HT209193Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.