CVE-2023-3896 — Divide By Zero in vim/vim from 9

Divide By Zero in vim/vim from 9.0.1367-1 to 9.0.1367-3

01What is this vulnerability?

Divide By Zero in vim/vim from 9.0.1367-1 to 9.0.1367-3

02Affected products

Vendor	Product	Versions
OpenCloudOS	OpenCloudOS Stream	9.0.1367-1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-08-07T12:13:37.229Z
• Last modified: 2025-02-13T17:02:37.040Z

09References

• github.com — https://github.com/vim/vim/issues/12528
• github.com — https://github.com/vim/vim/pull/12540
• security.netapp.com — https://security.netapp.com/advisory/ntap-20230831-0012/