CVE-2025-9389

low-risk
Published 2025-08-24

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".

Do I need to act?

-
0.03% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.3/10 Low
LOCAL / LOW complexity

Affected Products (1)

Vim

Affected Vendors

Vim

References (9)

Exploit https://drive.google.com/file/d/1iFbTpW79vqBPkFjWYzGYIh_E6esPhYVY/view?usp=shari...
Exploit https://github.com/vim/vim/issues/17940
Exploit https://github.com/vim/vim/issues/17940#issuecomment-3203415781
Permissions Required https://vuldb.com/?ctiid.321222
Third Party Advisory https://vuldb.com/?id.321222
Exploit https://vuldb.com/?submit.630898
Exploit https://github.com/vim/vim/issues/17940
Exploit https://github.com/vim/vim/issues/17940#issuecomment-3203415781
Exploit https://vuldb.com/?submit.630898
18
/ 100
low-risk
Severity 13/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal