CVE-2025-13837
Out-of-memory when loading Plist
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
INFO
Published Date :
Dec. 1, 2025, 6:16 p.m.
Last Modified :
Jan. 15, 2026, 7:08 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | 28c92f92-d60d-412d-b760-e73465c3df22 | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Validate plist file size before loading.
- Limit loaded data size.
- Implement memory usage limits.
- Update the plistlib module.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-13837.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-13837 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-13837
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-13837 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-13837 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jan. 15, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:python:python:3.15.0:alpha1:*:*:*:*:*:* *cpe:2.3:a:python:python:3.15.0:alpha2:*:*:*:*:*:* *cpe:2.3:a:python:python:*:*:*:*:*:*:*:* versions from (including) 3.14.0 up to (excluding) 3.14.1 *cpe:2.3:a:python:python:*:*:*:*:*:*:*:* versions up to (excluding) 3.13.10 Added Reference Type Python Software Foundation: https://github.com/python/cpython/commit/5a8b19677d818fb41ee55f310233772e15aa1a2b Types: Patch Added Reference Type Python Software Foundation: https://github.com/python/cpython/commit/694922cf40aa3a28f898b5f5ee08b71b4922df70 Types: Patch Added Reference Type Python Software Foundation: https://github.com/python/cpython/commit/71fa8eb8233b37f16c88b6e3e583b461b205d1ba Types: Patch Added Reference Type Python Software Foundation: https://github.com/python/cpython/commit/b64441e4852383645af5b435411a6f849dd1b4cb Types: Patch Added Reference Type Python Software Foundation: https://github.com/python/cpython/issues/119342 Types: Issue Tracking, Patch Added Reference Type Python Software Foundation: https://github.com/python/cpython/pull/119343 Types: Issue Tracking, Patch Added Reference Type Python Software Foundation: https://mail.python.org/archives/list/[email protected]/thread/2X5IBCJXRQAZ5PSERLHMSJFBHFR3QM2C/ Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 07, 2026
Action Type Old Value New Value Added CWE CWE-400 -
CVE Modified by [email protected]
Dec. 22, 2025
Action Type Old Value New Value Added Reference https://github.com/python/cpython/commit/5a8b19677d818fb41ee55f310233772e15aa1a2b -
CVE Modified by [email protected]
Dec. 02, 2025
Action Type Old Value New Value Added Reference https://mail.python.org/archives/list/[email protected]/thread/2X5IBCJXRQAZ5PSERLHMSJFBHFR3QM2C/ -
CVE Modified by [email protected]
Dec. 01, 2025
Action Type Old Value New Value Added Reference https://github.com/python/cpython/commit/694922cf40aa3a28f898b5f5ee08b71b4922df70 Added Reference https://github.com/python/cpython/commit/71fa8eb8233b37f16c88b6e3e583b461b205d1ba Added Reference https://github.com/python/cpython/commit/b64441e4852383645af5b435411a6f849dd1b4cb -
New CVE Received by [email protected]
Dec. 01, 2025
Action Type Old Value New Value Added 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 Added CVSS V4.0 AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added Reference https://github.com/python/cpython/issues/119342 Added Reference https://github.com/python/cpython/pull/119343