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CVE-2025-13837

MEDIUM severity · CVSS 5.5 · Uncontrolled resource consumption
5.5CVSS MEDIUM

Summary

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

Impact & exploitability

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://github.com/python/cpython/commit/5a8b19677d818fb41ee55f310233772e15aa1a2b ↗

Last checked: Wed, 10 Jun 2026 22:18:30 UTC