ZDF
Sign inSign up

Vulnerabilities

Security fix · CVE-2025-43504

A buffer overflow was addressed with improved bounds checking.

Published Nov 4, 2025 · catalog updated Apr 2, 2026 · Apple Xcode

Last checked Oct 30, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-43504. EPSS is 0.37%. Act only if a listed version of Apple Xcode is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium4.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.37%
Remediation
Version ranges on file
Affected products
vendor Apple Xcode 0 <26.1

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Apple Xcode 0 <26.10 <26.1

How to fix CVE-2025-43504

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-43504. EPSS is 0.37%. Act only if a listed version of Apple Xcode is installed.

Which versions are affected?

Compare what you have installed with Apple Xcode 0 <26.1 0 <26.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.37%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 4, 2025 · EUVD

    Detected

    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.

  2. Apr 2, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-43504

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-43504

    30-day exploitation probability 0.37%

    first.org
  • EUVDVulnerability recordEUVD-2025-37637

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 30, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 30, 2026
  • CVE.orgOct 24, 2026
  • EUVDOct 24, 2026