Executive Summary

CVE-2023-4751 is a heap‑based buffer overflow in Vim (versions prior to 9.0.1331) that can be triggered by a crafted file or input. The flaw allows an attacker to corrupt memory, potentially leading to arbitrary code execution or denial of service. No current CISA KEV listing, but the vulnerability is publicly disclosed and mitigated by updating to Vim 9.0.1331 or later.

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Authoritative CVE Metadata - CVSS Base Score: 7.8 (HIGH) - Published: 2023-09-03T19:15:43.677 - Last Modified: 2026-09-17T17:58:59.463

Original Description: Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1331.

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