CVE-2025-13837: Out-of-memory when loading Plist | LiveThreat CVE Feed

Medium severity · published Dec 1, 2025

CVE-2025-13837

Out-of-memory when loading Plist

5.5

CVSS

0.2%

EPSS

On KEV

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

CVSS vector

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

Attack vector

Local

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.2% · higher than 13% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

CPython · Python Software Foundation

before 3.10.20; 3.11.0 before 3.11.15; 3.12.0 before 3.12.13; 3.13.0 before 3.13.10; 3.14.0 before 3.14.1; 3.15.0a1 before 3.15.0a3 · source: vendor

Python · Python

before 3.13.10; 3.14.0 before 3.14.1; 3.15.0; 3.15.0 · source: NVD

Affected product

CPython

Python Software Foundation

All CPython CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-13837

CVE.org

https://www.cve.org/CVERecord?id=CVE-2025-13837

github.com

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

Patch

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

Patch

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

Patch

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

Patch

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

github.com

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