CVE-2025-9389
Published: August 27, 2025Last modified: September 2, 2025
Description
A vulnerability was identified in vim 9.1.0000. Affected is the function __memmove_avx_unaligned_erms of the file memmove-vec-unaligned-erms.S. The manipulation leads to memory corruption. The attack needs to be performed locally. The exploit is publicly available and might be used. Some users are not able to reproduce this. One of the users mentions that this appears not to be working, "when coloring is turned on".
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Notes
From Debian: Introduced with: https://github.com/vim/vim/commit/6897f18ee6e5bb78b32c97616e484030fd514750 (v9.1.1459) Fixed by: https://github.com/vim/vim/commit/b922b30cfe4c044c83bac3cc908084ed20a83598 (v9.1.1683) - https://security-tracker.debian.org/tracker/CVE-2025-9389
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | vim | Vulnerable (9.1.1552-r0) |
| 25 LTS | vim | Vulnerable (9.1.1566-r0) | |
| Stream | vim | Fixed (9.1.1684-r0) |