CVE-2025-43505: An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in Xcode 26.1…
CVE-2025-43505 · Severity: high · CVSS 8.8 · Published 2025-11-04
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-43505 being exploited in the wild.
How severe is CVE-2025-43505?
High severity, with a CVSS score of 8.8, published 4 November 2025.
Which products and versions are affected?
Apple Xcode. The advisory does not name versions.
Is there a fix for CVE-2025-43505?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-43505?
Check whether you run Apple Xcode. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.