Vulnerability · Published Sep 15, 2025 · Assigned by apple

CVE-2025-43370

Medium 4.0

In plain English

A medium-severity buffer overflow in Xcode from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).

Severity (CVSS 3.1)4.0Medium

Exploit odds (30 days)0.3%top 71.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Apple	Xcode	0 – before 26

Weakness: CWE-120 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

https://support.apple.com/en-us/125117
http://seclists.org/fulldisclosure/2025/Sep/60