CVE-2023-27957
macOS vulnerability analysis and mitigation

Overview

CVE-2023-27957 is a buffer overflow vulnerability affecting ImageIO component in macOS Ventura versions prior to 13.3. The vulnerability was discovered by Yiğit Can YILMAZ and was fixed in macOS Ventura 13.3 released on March 27, 2023 (Apple Advisory).

Technical details

The vulnerability is a buffer overflow issue in the ImageIO component of macOS Ventura. The issue occurs when processing maliciously crafted files, which could lead to memory corruption. The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating local access is required with user interaction (NVD).

Impact

If successfully exploited, this vulnerability could lead to unexpected application termination or arbitrary code execution when processing a maliciously crafted file (Apple Advisory).

Mitigation and workarounds

Apple has addressed this vulnerability by improving memory handling in macOS Ventura 13.3. Users are advised to update to macOS Ventura 13.3 or later versions to protect against this vulnerability (Apple Advisory).

Additional resources


SourceThis report was generated using AI

Related macOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-43359CRITICAL9.8
  • macOSmacOS
  • Kernel
NoYesSep 15, 2025
CVE-2025-43358HIGH8.8
  • macOSmacOS
  • Shortcuts
NoYesSep 15, 2025
CVE-2025-43400MEDIUM6.3
  • macOSmacOS
  • FontParser
NoYesSep 29, 2025
CVE-2025-43355MEDIUM5.5
  • macOSmacOS
  • MobileStorageMounter
NoYesSep 15, 2025
CVE-2025-43353MEDIUM5.5
  • macOSmacOS
  • Libinfo
NoYesSep 15, 2025

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management