CVE-2021-3973
Heap-based Buffer Overflow in vim/vim
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
1Exploited in Wild
-Decision
Descriptions
vim is vulnerable to Heap-based Buffer Overflow
vim es vulnerable al desbordamiento del búfer en la región Heap de la memoria
It was discovered that vim incorrectly handled parsing of filenames in its search functionality. If a user was tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service. This issue only affected Ubuntu 21.10. It was discovered that vim incorrectly handled memory when opening and searching the contents of certain files. If a user was tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges. This issue only affected Ubuntu 20.04 LTS and Ubuntu 21.10.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-11-17 CVE Reserved
- 2021-11-19 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- 2025-04-09 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-122: Heap-based Buffer Overflow
- CWE-787: Out-of-bounds Write
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2022/01/15/1 | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2022/03/msg00018.html | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://huntr.dev/bounties/ce6e8609-77c6-4e17-b9fc-a2e5abed052e | 2024-08-03 |
| URL | Date | SRC |
|---|---|---|
| https://github.com/vim/vim/commit/615ddd5342b50a6878a907062aa471740bd9a847 | 2023-11-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Vim Search vendor "Vim" | Vim Search vendor "Vim" for product "Vim" | < 8.2.3611 Search vendor "Vim" for product "Vim" and version " < 8.2.3611" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 34 Search vendor "Fedoraproject" for product "Fedora" and version "34" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 35 Search vendor "Fedoraproject" for product "Fedora" and version "35" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||