CVE-2025-9389
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".
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| vim | vim | 9.1.0000 | |
References
- https://drive.google.com/file/d/1iFbTpW79vqBPkFjWYzGYIh_E6esPhYVY/view?usp=sharing
- https://github.com/vim/vim/issues/17940
- https://github.com/vim/vim/issues/17940#issuecomment-3203415781
- https://vuldb.com/?ctiid.321222
- https://vuldb.com/?id.321222
- https://vuldb.com/?submit.630898
- https://security-tracker.debian.org/tracker/CVE-2025-9389
CWEs
CWE-119 CWE-787
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.