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CVE-2023-4735

23
FAUCET Score

CVE-2023-4735 is an out-of-bounds write vulnerability affecting Vim versions prior to 9.0.1847, specifically impacting Vim on macOS and Apple Vim. It carries a high CVSS score of 7.8, indicating a significant risk with local access and user interaction required for a complete compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 9.0.1847CPE matchmatch criteria
cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*
14.1CPE matchmatch criteria
cpe:2.3:o:apple:macos:14.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.8MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
1.3
Impact Score
3.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.60%
Probability of exploitation in next 30 days
EPSS Percentile
44.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0060 is in the 44th 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-2023-4735Important

Out-of-bounds Write in vim/vim

Sep 12, 2023
redhatCVE-2023-4735Low

vim: OOB Write ops.c in vim/vim

Sep 2, 2023

References

seclists.org / fulldisclosure/2023/Oct/24
Mailing ListThird Party Advisory
github.com / vim/vim/commit/889f6af37164775192e33b233a90e86fd3df0f57
Patch
huntr.dev / bounties/fc83bde3-f621-42bd-aecb-8c1ae44cba51
ExploitPatchThird Party Advisory
support.apple.com / kb/HT213984
Release NotesThird Party Advisory