CVE-2023-0051: vim Heap-based Buffer Overflow

Vulnerability summary

CVE-2023-0051 is a high (CVSS 7.8) Heap-based Buffer Overflow vulnerability in vim. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.8% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 04-01-2023
   PublishedVulnerability first disclosed.
2. 09-04-2025
   Last modifiedVulnerability information updated.

Description

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1144.

• CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().