CVE-2022-1886
Public on 2022-05-26
Modified on 2022-10-25
Description
A heap buffer overflow flaw was found in Vim's utf_head_off() function in the mbyte.c file. This flaw allows an attacker to trick a user into opening a specially crafted file, triggering a heap buffer overflow that causes an application to crash, leading to a denial of service and possibly some amount of memory leak.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | vim | 2022-07-28 | ALAS-2022-1628 | Fixed |
| Amazon Linux 2 - Core | vim | 2022-07-19 | ALAS2-2022-1829 | Fixed |
| Amazon Linux 2023 | vim | 2023-02-17 | ALAS2023-2023-098 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 6.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H |
| NVD | CVSSv2 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| NVD | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |