7.8

CVE-2023-4733: apple macos Use After Free

CVSS: 7.8v3.1HighAnalyzed
AliasesALPINE-CVE-2023-4733UBUNTU-CVE-2023-4733DEBIAN-CVE-2023-4733
Published 04-09-2023Last modified 23-06-2026

Vulnerability summary

CVE-2023-4733 is a high (CVSS 7.8) Use After Free vulnerability in apple macos. EPSS estimates a 0.54% chance of exploitation in the next 30 days, higher than 44.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.54%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 5 · Related 4

Timeline

  1. 04-09-2023
    PublishedVulnerability first disclosed.
  2. 23-06-2026
    Last modifiedVulnerability information updated.

Description

Use After Free in GitHub repository vim/vim prior to 9.0.1840.

CVSS metrics

7 scores · 5 sources · 2 versions

EPSS trend

Probability

0.54%

Chance of exploitation in the next 30 days

Percentile

44%

Versus all other CVEs

30-day change

0.00 pp

From 0.54% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.54%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (huntr.dev)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Vim2 products
Alpine1 product
  • vim< 9.0.2073-r0 | < 9.0.1888-r0
Apple1 product
Debian1 product
  • vimAll versions (No fix recorded) | < 2:9.0.1894-1
Fedoraproject1 product
Neovim1 product
Ubuntu1 product
  • vim< 2:7.4.052-1ubuntu3.1+esm14 | < 2:7.4.1689-3ubuntu1.5+esm20 | < 2:8.0.1453-1ubuntu1.13+esm6 | < 2:8.1.2269-1ubuntu5.20 | < 2:8.2.3995-1ubuntu2.13

7 vendors · 8 products

References

14 links
Show all 14 references