CVE-2018-4456: apple mac_os_x

Vulnerability summary

CVE-2018-4456 is a high (CVSS 9.3) vulnerability in apple mac_os_x. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.6% of scored vulnerabilities.

Timeline

1. 03-04-2019
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

A memory corruption issue was addressed with improved input validation. This issue affected versions prior to macOS High Sierra 10.13.6, macOS Mojave 10.14.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.