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CVE-2023-4738
Heap-based Buffer Overflow in vim/vim
High7.8Public exploitEPSS 0.57%
- Published
- Updated
- Reserved
- Assigned by
- @huntrdev
Description
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1848.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: a proof of concept is public.
Timeline
ID reserved
By @huntrdev
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| @huntrdevCNA (assigner) | 3.0 | High7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.57% · top 53% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
References (5)
- https://huntr.dev/bounties/9fc7dced-a7bb-4479-9718-f956df20f612 (opens in a new tab)x_transferred
- https://github.com/vim/vim/commit/ced2c7394aafdc90fb7845e09b3a3fee23d48cb1 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT213984 (opens in a new tab)x_transferred
- http://seclists.org/fulldisclosure/2023/Oct/24 (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2025/03/msg00023.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-4738)Record last updated .