Buffer overflow in Apple macOS
CVE-2025-21171
.NET Remote Code Execution Vulnerability
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Apple macOS
- Linux Kernel
- Microsoft Visual Studio 2022 Version 17.10 — versions 17.10.0
- Microsoft Visual Studio 2022 Version 17.12 — versions 17.12.0
- Microsoft Visual Studio 2022 Version 17.6 — versions 17.6.0
- Microsoft Visual Studio 2022 Version 17.8 — versions 17.8.0
- Microsoft .Net — versions 9.0.0
- Microsoft .Net 9.0 — versions 9.0.0
- Microsoft Powershell — versions 7.5
- Microsoft Powershell 7.5 — versions 7.5.0
Weakness classification (CWE)
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21171 (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-21171?
- CVE-2025-21171 is a high-severity vulnerability in Apple macOS, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-01-14.
- How severe is CVE-2025-21171?
- High severity. CVSS v3 base score is 7.5 out of 10.