CVE-2023-48236 — Vim is an open source command line text editor

Vim is an open source command line text editor. When using the z= command, the user may overflow the count with values larger than MAX_INT. Impact is low, user interaction is required and a crash may not even happen in all situations. This vulnerability has been addressed in comm

01What is this vulnerability?

Vim is an open source command line text editor. When using the z= command, the user may overflow the count with values larger than MAX_INT. Impact is low, user interaction is required and a crash may not even happen in all situations. This vulnerability has been addressed in commit `73b2d379` which has been included in release version 9.0.2111. Users are advised to upgrade. There are no known…

02Affected products

No structured affected-product list available — see references below for vendor advisories.

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

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

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: 2023-11-16T23:15:09.567
• Last modified: 2026-06-23T18:17:35.053

09References

• www.openwall.com — http://www.openwall.com/lists/oss-security/2023/11/16/1
• github.com — https://github.com/vim/vim/commit/73b2d3790cad5694fc0ed0db2926e4220c48d968
• github.com — https://github.com/vim/vim/security/advisories/GHSA-pr4c-932v-8hx5
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/[email protected]…
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/[email protected]…
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/[email protected]…
• security.netapp.com — https://security.netapp.com/advisory/ntap-20231227-0002/
• www.openwall.com — http://www.openwall.com/lists/oss-security/2023/11/16/1
• github.com — https://github.com/vim/vim/commit/73b2d3790cad5694fc0ed0db2926e4220c48d968
• github.com — https://github.com/vim/vim/security/advisories/GHSA-pr4c-932v-8hx5