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
https://mail.python.org/archives/list/[email protected]/thread/2X5IBCJXRQAZ5PSERLHMSJFBHFR3QM2C/
https://github.com/python/cpython/pull/119343
https://github.com/python/cpython/issues/119342
https://github.com/python/cpython/commit/cefee7d118a26ef6cd43db59bb9d98ca9a331111
https://github.com/python/cpython/commit/b64441e4852383645af5b435411a6f849dd1b4cb
https://github.com/python/cpython/commit/71fa8eb8233b37f16c88b6e3e583b461b205d1ba
https://github.com/python/cpython/commit/694922cf40aa3a28f898b5f5ee08b71b4922df70
https://github.com/python/cpython/commit/5a8b19677d818fb41ee55f310233772e15aa1a2b
https://github.com/python/cpython/commit/568342cfc8f002d9a15f30238f26b9d2e0e79036
Published: 2025-12-01
Updated: 2026-03-03
Base Score: 4.9
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Severity: Medium
Base Score: 2.1
Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:L/SA:N
Severity: Low
EPSS: 0.00014