CVE intelligence

CVE-2025-13837

Vulnerability intelligence

Published Dec 1, 2025Sources checked Oct 4, 2026

5.5MEDIUMCVSS out of 10

What this means

Review the available evidence

CVE-2025-13837 and is rated Medium severity with a CVSS score of 5.5. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

CBL-Mariner Releases

Vendor-listed releases

3.12.9-7
3.9.19-20

CISA KEVNot listedBased on the latest collected catalog

EPSS0.2%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2025-13837?

When loading a plist file, the plistlib module reads data in size specified by the file itself, meaning a malicious file can cause OOM and DoS issues