CVE-2025-9389

Name: CVE-2025-9389
Creator: NVD / NIST
Published: 2025-08-24T13:15:29.68+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2025-9389 is a low-severity vulnerability rated 1.9/10 on the CVSS scale. 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. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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".

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

1.9/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.19%

9.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Vim	Vim	9.1.0000

References

https://drive.google.com/file/d/1iFbTpW79vqBPkFjWYzGYIh_E6esPhYVY/view?usp=sharingExploit
https://github.com/vim/vim/issues/17940Exploit, Issue Tracking, Patch, Vendor Advisory
https://github.com/vim/vim/issues/17940#issuecomment-3203415781Exploit, Issue Tracking, Patch
https://vuldb.com/?ctiid.321222Permissions Required, VDB Entry
https://vuldb.com/?id.321222Third Party Advisory, VDB Entry
https://vuldb.com/?submit.630898Exploit, Third Party Advisory, VDB Entry
https://github.com/vim/vim/issues/17940Exploit, Issue Tracking, Patch, Vendor Advisory
https://github.com/vim/vim/issues/17940#issuecomment-3203415781Exploit, Issue Tracking, Patch
https://vuldb.com/?submit.630898Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Aug 24, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-9389?

How severe is CVE-2025-9389?

CVE-2025-9389 has a CVSS score of 1.9/10 (LOW severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2025-9389?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-9389?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST