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VulnerabilityPublished Updated

CVE-2025-9390: vim · Buffer Overflow

Affects vimSource CVE Database V5

0

Not known to be exploited · CVSS 4.8 Medium · fixed in 9.1.1616 : update vim when convenient.

Data as of 26 Oct 2026, 08:30 UTC

CVSS 4.0 base score
4.8Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 9.1.1616
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 24 Aug 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
vimAffected
  • =9.1.1615
Fixed in–

AI-suggested

1. Immediate upgrade to vim version 9.1.1616 or later, which contains the patch for this vulnerability. 2. Implement strict local user access controls and enforce the principle of least privilege to minimize the number of users who can execute vim locally. 3. Monitor and audit local user activities on critical systems to detect any unusual usage patterns of vim or attempts to exploit local vulnerabilities. 4. Employ application whitelisting or endpoint protection solutions that can detect or block exploitation attempts targeting vim or related processes. 5. For environments where upgrading is delayed, consider restricting access to the xxd component or disabling it if not required, as it is the affected part of vim. 6. Educate system administrators and users about the risk of local exploits and the importance of applying security updates promptly. 7. Integrate vulnerability scanning tools in the patch management process to identify systems running vulnerable vim versions.

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.

References

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