{"id":"CVE-2025-13837","title":"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","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","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-400"],"vendor":"python","product":"python","affected":["python < 3.13.10","python >= 3.14.0, < 3.14.1","python = 3.15.0"],"patched":["python 3.14.1"],"published":"2025-12-01","updated":"2026-09-03","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-13837","references":[{"url":"https://github.com/python/cpython/commit/568342cfc8f002d9a15f30238f26b9d2e0e79036","label":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/5a8b19677d818fb41ee55f310233772e15aa1a2b","label":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/694922cf40aa3a28f898b5f5ee08b71b4922df70","label":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/71fa8eb8233b37f16c88b6e3e583b461b205d1ba","label":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/b64441e4852383645af5b435411a6f849dd1b4cb","label":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/cefee7d118a26ef6cd43db59bb9d98ca9a331111","label":"cna@python.org"},{"url":"https://github.com/python/cpython/issues/119342","label":"cna@python.org"},{"url":"https://github.com/python/cpython/pull/119343","label":"cna@python.org"},{"url":"https://mail.python.org/archives/list/security-announce@python.org/thread/2X5IBCJXRQAZ5PSERLHMSJFBHFR3QM2C/","label":"cna@python.org"}],"tags":["nvd"],"epss":0.00223,"epssPercentile":0.13154,"ingestedAt":"2026-09-03T03:55:23.821Z","slug":"CVE-2025-13837","body":"## Overview\n\nWhen 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\n\n## Affected\n\n- `python < 3.13.10`\n- `python >= 3.14.0, < 3.14.1`\n- `python = 3.15.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `python 3.14.1`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}