CVE-2023-4738: apple macos Heap-based Buffer Overflow
CVSS: 7.8v3.0HighAnalyzed
AliasesALPINE-CVE-2023-4738DEBIAN-CVE-2023-4738
Published 02-09-2023Last modified 03-11-2025
Vulnerability summary
CVE-2023-4738 is a high (CVSS 7.8) Heap-based Buffer Overflow vulnerability in apple macos. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.8/10
010
High · v3.0 (CVE.org)EPSS score
0.60%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 5 · Related 4Timeline
- 02-09-2023PublishedVulnerability first disclosed.
- 03-11-2025Last modifiedVulnerability information updated.
Description
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1848.
CVSS metrics
5 scores · 4 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 3 agree
- 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 2 agree
- NVDNIST7.8HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.60%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
0.00 pp
From 0.60% on 19-09-2026
19-09-202619-10-2026
EPSS score0.60%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (huntr.dev)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Debian2 products
- vim< 2:9.0.1378-2+deb12u1 | < 2:9.0.1894-1
- debian_linuxEOL11.0
Alpine1 product
- vim< 9.0.2073-r0 | < 9.0.1888-r0
Apple1 product
- macosEOL14.0
Neovim1 product
- neovim< 0.10.0
5 vendors · 7 products
