CVE-2025-43370: apple xcode Classic Buffer Overflow
CVSS: 4.0v3.1MediumModified
Published 15-09-2025Last modified 02-04-2026
Vulnerability summary
CVE-2025-43370 is a medium (CVSS 4.0) Classic Buffer Overflow vulnerability in apple xcode. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 26.3% of scored vulnerabilities.
CVSS score
4.0/10
010
Medium · v3.1 (CVE.org)EPSS score
0.34%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-09-2025PublishedVulnerability first disclosed.
- 02-04-2026Last modifiedVulnerability information updated.
Description
A path handling issue was addressed with improved validation. This issue is fixed in Xcode 26. Processing an overly large path value may crash a process.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 4.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesAll 2 agree
- NVDNIST4.0MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
0.34%
Chance of exploitation in the next 30 days
Percentile
26%
Versus all other CVEs
30-day change
0.00 pp
From 0.34% on 18-09-2026
18-09-202618-10-2026
EPSS score0.34%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apple1 product
- xcode< 26 | < 26.0
1 vendor · 1 product