CVE-2021-3778 HIGH

CVE-2021-3778: Heap-based Buffer Overflow in vim/vim

Vendor Vim

Product vim/vim

Weakness CWE-122

Published September 15, 2021

Last update August 3, 2024

View on NVD All CVEs

CVSS base score

7.8/10

Attack vector Local

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality High

Integrity High

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

vim is vulnerable to Heap-based Buffer Overflow

Key dates

02Disclosure timeline

September 15, 2021 CVE published

August 3, 2024 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2021-3778 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/122.html

Related vulnerabilities

04Related CVE

CVE-2022-43648 CVE-2025-32717 Microsoft Word Remote Code Execution Vulnerability CVE-2023-42076 PDF-XChange Editor PDF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability CVE-2025-54907 Microsoft Office Visio Remote Code Execution Vulnerability CVE-2024-6135 BT:Classic: Multiple missing buf length checks