CVE-2021-3903 (GCVE-0-2021-3903)

Vulnerability from cvelistv5 – Published: 2021-10-27 21:00 – Updated: 2024-08-03 17:09
VLAI
Title
Heap-based Buffer Overflow in vim/vim
Summary
vim is vulnerable to Heap-based Buffer Overflow
Severity
7.3 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 8.2.3564 (custom)
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T14:44:32+00:00",
      "cve": "CVE-2021-3903",
      "id": "CVE-2021-3903",
      "initial_release_date": "2021-10-24T00:00:00+00:00",
      "product_status:fixed": "84",
      "product_status:known_affected": "12",
      "product_status:known_not_affected": "7",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "vim: heap-based buffer overflow vulnerability",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-3903.json",
      "version": "3"
    }
  }
}