CVE-2025-43505 Memory corruption in Xcode
Attackers can execute arbitrary code by tricking users into opening a maliciously crafted file in Apple Xcode.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-43505?
CVE-2025-43505 is a high-severity memory corruption vulnerability in Apple Xcode, published on 4 Nov 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in Xcode 26.1. Processing a maliciously crafted file may lead to heap corruption.
Weakness: CWE-787
Which versions are affected by CVE-2025-43505?
It affects 1 product.
Products include Apple Xcode.
How do I fix CVE-2025-43505?
No fix has been published for CVE-2025-43505 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-43505 being exploited?
There is no known exploitation of CVE-2025-43505 in the wild and no public exploit code.
Other vulnerabilities in Apple Xcode
Sources
Also known as GHSA-6wgr-2m33-vg69.