CVE-2023-0433: apple macos Heap-based Buffer Overflow
CVSS: 7.8v3.0HighAnalyzed
AliasesALPINE-CVE-2023-0433UBUNTU-CVE-2023-0433DEBIAN-CVE-2023-0433
Published 21-01-2023Last modified 02-04-2025
Vulnerability summary
CVE-2023-0433 is a high (CVSS 7.8) Heap-based Buffer Overflow vulnerability in apple macos. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 42.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.8/10
010
High · v3.0 (CVE.org)EPSS score
0.52%
0%100%
Low · -0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 5 · Related 4Timeline
- 21-01-2023PublishedVulnerability first disclosed.
- 02-04-2025Last modifiedVulnerability information updated.
Description
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1225.
CVSS metrics
7 scores · 5 sources · 2 versionsHigh 7.8Preferred score · OSV · Alpine (Ecosystem advisory) · calculated from vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
High 7.8Preferred score · CVE.org (CNA)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.52%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
-0.04 pp
From 0.56% on 18-09-2026
18-09-202618-10-2026
EPSS score0.52%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (huntr.dev)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- vim< 9.0.1251-r0
Apple1 product
- macos< 11.7.5 | ≥ 12.0.0, < 12.6.4 | ≥ 13.0, < 13.3
Debian1 product
- vim< 2:9.0.1378-1
Fedoraproject1 product
- fedoraEOL36 | 37
Neovim1 product
- neovim≥ 0.1.0, < 0.8.3
Ubuntu1 product
- vim< 2:7.4.052-1ubuntu3.1+esm6 | < 2:7.4.1689-3ubuntu1.5+esm15 | < 2:8.0.1453-1ubuntu1.11 | < 2:8.1.2269-1ubuntu5.12 | < 2:8.2.3995-1ubuntu2.4
7 vendors · 8 products
References
18 links- support.apple.com/kb/HT213677Third Party Advisory
- support.apple.com/kb/HT213675Third Party Advisory
- support.apple.com/kb/HT213670Third Party Advisory