CVE-2021-4166
Out-of-bounds Read in vim/vim
Severity Score
7.1
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
vim is vulnerable to Out-of-bounds Read
vim es vulnerable a una Lectura Fuera de Límites
It was discovered that Vim was incorrectly processing Vim buffers. An attacker could possibly use this issue to perform illegal memory access and expose sensitive information. This issue only affected Ubuntu 20.04 LTS. It was discovered that Vim was using freed memory when dealing with regular expressions inside a visual selection. If a user were 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 14.04 ESM, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-12-24 CVE Reserved
- 2021-12-25 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- 2025-06-20 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-125: Out-of-bounds Read
CAPEC
References (12)
| URL | Tag | Source |
|---|---|---|
| http://seclists.org/fulldisclosure/2022/Jul/14 | Mailing List |
|
| http://seclists.org/fulldisclosure/2022/Mar/29 | Mailing List |
|
| http://seclists.org/fulldisclosure/2022/May/35 | Mailing List |
|
| http://www.openwall.com/lists/oss-security/2022/01/15/1 | Mailing List |
|
| https://support.apple.com/kb/HT213183 | Release Notes |
|
| https://support.apple.com/kb/HT213256 | Third Party Advisory |
|
| https://support.apple.com/kb/HT213343 | Third Party Advisory |
|
| URL | Date | SRC |
|---|---|---|
| https://huntr.dev/bounties/229df5dd-5507-44e9-832c-c70364bdf035 | 2024-08-03 |
| URL | Date | SRC |
|---|---|---|
| https://github.com/vim/vim/commit/6f98371532fcff911b462d51bc64f2ce8a6ae682 | 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" | < 8.2.3884 Search vendor "Vim" for product "Vim" and version " < 8.2.3884" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0" | - |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Factory Search vendor "Opensuse" for product "Factory" | - | - |
Affected
| ||||||
| Suse Search vendor "Suse" | Linux Enterprise Search vendor "Suse" for product "Linux Enterprise" | 12.0 Search vendor "Suse" for product "Linux Enterprise" and version "12.0" | - |
Affected
| ||||||
| Suse Search vendor "Suse" | Linux Enterprise Search vendor "Suse" for product "Linux Enterprise" | 15.0 Search vendor "Suse" for product "Linux Enterprise" and version "15.0" | - |
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
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0" | - |
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
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | security_update_2020-001 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | security_update_2021-001 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | security_update_2021-002 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | security_update_2021-003 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | security_update_2021-004 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | security_update_2021-005 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | security_update_2021-006 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | security_update_2021-007 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | security_update_2021-008 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | security_update_2022-001 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | security_update_2022-002 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | security_update_2022-003 |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | < 12.3 Search vendor "Apple" for product "Macos" and version " < 12.3" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | >= 11.0 < 11.6.6 Search vendor "Apple" for product "Macos" and version " >= 11.0 < 11.6.6" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | 10.15.7 Search vendor "Apple" for product "Macos" and version "10.15.7" | security_update_2022-004 |
Affected
| ||||||