CVE-2025-9390 vim xxd xxd.c main buffer overflow
A buffer overflow in Vim's xxd utility allows local attackers to execute arbitrary code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-9390?
CVE-2025-9390 is a medium-severity memory corruption vulnerability in Vim Vim, published on 24 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A security flaw has been discovered in vim up to 9.1.1615. Affected by this vulnerability is the function main of the file src/xxd/xxd.c of the component xxd. The manipulation results in buffer overflow. The attack requires a local approach. The exploit has been released to the public and may be exploited. Upgrading to version 9.1.1616 addresses this issue. The patch is identified as eeef7c77436a78cd27047b0f5fa6925d56de3cb0. It is recommended to upgrade the affected component.
Which versions are affected by CVE-2025-9390?
It affects 1 product.
Products include Vim Vim.
How do I fix CVE-2025-9390?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-9390 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9390 exists.
Other vulnerabilities in Vim Vim
Sources
Also known as AZL-66681, AZL-66683, BELL-CVE-2025-9390, DEBIAN-CVE-2025-9390, ECHO-2b66-c126-1bab, GHSA-58rr-chmf-5w2j.