Vulnerability · Published Nov 4, 2025 · Assigned by apple
CVE-2025-43504
Medium 4.9
In plain English
A medium-severity memory corruption 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 0.4% (higher than 32% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)4.9Medium
Exploit odds (30 days)0.4%top 68.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in Xcode 26.1. A user in a privileged network position may be able to cause a denial-of-service.
Affected products (as reported)
Weakness: CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H