CVE-2021-4019 (GCVE-0-2021-4019)

Vulnerability from cvelistv5 – Published: 2021-12-01 00:00 – Updated: 2025-11-03 20:33
VLAI
Title
Heap-based Buffer Overflow in vim/vim
Summary
vim is vulnerable to Heap-based Buffer Overflow
Severity
7.1 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 8.2.3669 (custom)
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Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Broken Link\",\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/202208-32\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-07-03T02:08:31+00:00",
      "cve": "CVE-2021-4019",
      "id": "CVE-2021-4019",
      "initial_release_date": "2021-11-23T00:00:00+00:00",
      "product_status:fixed": "66",
      "product_status:known_affected": "12",
      "product_status:known_not_affected": "7",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "vim: heap-based buffer overflow in find_help_tags() in help.c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-4019.json",
      "version": "3"
    }
  }
}