TI-2023-04379 Aliases CVE-2023-4751 GHSA-mfhq-77wv-g7gh

Heap-based Buffer Overflow in vim/vim

HIGH 69CWE-122Published 2023-09-03 · Updated 2025-02-13

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Partial Red Hat: 3 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-122 and the CVSS impact.

Summary

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1331.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00564 47th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Partial vim/vim (vim): 9.0.1331Red Hat: 3 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
vim	vim/vim	before 9.0.1331	9.0.1331	Patch available	CNA

vim/vim Vendorvim Affected before 9.0.1331 Fixed in 9.0.1331 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:neovim:neovim::::::::	before 0.9.0	Vulnerable	Neovim
cpe:2.3:a:vim:vim::::::::	before 9.0.1331	Vulnerable	vim
cpe:2.3:o:apple:macos:14.0:::::::*	14.0	Vulnerable	Apple

cpe:2.3:a:neovim:neovim:*:*:*:*:*:*:*:* Versions before 0.9.0 Vulnerable ·Neovim
cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:* Versions before 9.0.1331 Vulnerable ·vim
cpe:2.3:o:apple:macos:14.0:*:*:*:*:*:*:* Versions 14.0 Vulnerable ·Apple

Remediation

Fix · CNA vim/vim (vim) Fixed in 9.0.1331

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 8	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 9	Affected	No fix yet: Fix deferred
Red Hat OpenShift AI (RHOAI)	Affected	—

Timeline

2026-10-02 Threatist record created from CVE-2023-4751
2026-10-03 Alias added: GHSA-mfhq-77wv-g7gh
2026-11-07 Affected versions changed · Red Hat

References

Exploit 1

https://huntr.dev/bounties/db7be8d6-6cb7-4ae5-9c4e-805423afa378

Patch 1

https://github.com/vim/vim/commit/e1121b139480f53d1b06f84f3e4574048108fa0b

Advisory 2

TI-2022-03248 Heap-based Buffer Overflow in vim/vim CVSS 3.1CRITICAL 9.8
TI-2024-15103 Vim before 9.0.2142 has a stack-based buffer overflow because did_set_langmap in map.c… CVSS 3.1HIGH 7.8
TI-2023-05093 Use After Free in vim/vim CVSS 3.1HIGH 7.8
TI-2023-04407 Heap-based Buffer Overflow in vim/vim CVSS 3.1HIGH 7.8
TI-2023-04378 Use After Free in vim/vim CVSS 3.1HIGH 7.8
TI-2023-04366 Heap-based Buffer Overflow in vim/vim CVSS 3.1HIGH 7.8

See all 258 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences