CVE-2025-13837

5.5 MEDIUM

Published: December 01, 2025 Modified: March 03, 2026

Description

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

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/python/cpython/commit/568342cfc8f002d9a15f30238f26b9d2e0e79036

Source: cna@python.org

https://github.com/python/cpython/commit/5a8b19677d818fb41ee55f310233772e15aa1a2b

Source: cna@python.org

Patch

https://github.com/python/cpython/commit/694922cf40aa3a28f898b5f5ee08b71b4922df70

Source: cna@python.org

Patch

https://github.com/python/cpython/commit/71fa8eb8233b37f16c88b6e3e583b461b205d1ba

Source: cna@python.org

Patch

https://github.com/python/cpython/commit/b64441e4852383645af5b435411a6f849dd1b4cb

Source: cna@python.org

Patch

https://github.com/python/cpython/commit/cefee7d118a26ef6cd43db59bb9d98ca9a331111

Source: cna@python.org

https://github.com/python/cpython/issues/119342

Source: cna@python.org

Issue Tracking Patch

https://github.com/python/cpython/pull/119343

Source: cna@python.org

Issue Tracking Patch

https://mail.python.org/archives/list/security-announce@python.org/thread/2X5IBCJXRQAZ5PSERLHMSJFBHFR3QM2C/

Source: cna@python.org

Vendor Advisory

9 reference(s) from NVD

Quick Stats

CVSS v3 Score

5.5 / 10.0

EPSS (Exploit Probability)

0.0%

7th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-400

Affected Vendors

python

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