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CVE-2023-4734

23
FAUCET Score

CVE-2023-4734 is an Integer Overflow or Wraparound vulnerability affecting Vim prior to version 9.0.1846, including instances on Apple macOS. With a CVSS score of 7.8 (High), this vulnerability can lead to high impact on confidentiality, integrity, and availability, requiring user interaction and local access for exploitation. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 9.0.1846CPE matchmatch criteria
cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*
< 14.1CPE matchmatch criteria
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.57%
Probability of exploitation in next 30 days
EPSS Percentile
43.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0057 is in the 43rd percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 18317-16823Fixed in: 9.0.1897-1
microsoftpatch availablevia msrc
Product: cbl2 vim 9.0.1897-1 on CBL Mariner 2.0Fixed in: 9.0.1897-1
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: vim
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: vim

Vendor Advisories (2)

microsoft2023-Sep/CVE-2023-4734Important

Integer Overflow or Wraparound in vim/vim

Sep 12, 2023
redhatCVE-2023-4734Low

vim: segmentation fault in function f_fullcommand in vim/vim

Sep 2, 2023

References

seclists.org / fulldisclosure/2023/Oct/24
Mailing ListThird Party Advisory
github.com / vim/vim/commit/4c6fe2e2ea62469642ed1d80b16d39e616b25cf5
Patch
huntr.dev / bounties/688e4382-d2b6-439a-a54e-484780f82217
ExploitPatchThird Party Advisory
support.apple.com / kb/HT213984
Release NotesThird Party Advisory