CVE-2025-12084
MEDIUM5.3EPSS 0.13%Quadratic complexity in node ID cache clearing
Published: 12/3/2025Modified: 5/16/2026
Description
When building nested elements using xml.dom.minidom methods such as appendChild() that have a dependency on _clear_id_cache() the algorithm is quadratic. Availability can be impacted when building excessively nested documents.
Affected packages (10)
- Bitnami/libpythonfrom 0, < 3.10.20, >= 3.11.0, < 3.11.15, >= 3.12.0, < 3.12.13, >= 3.13.0, < 3.13.11, >= 3.14.0, < 3.14.2
- Bitnami/pythonfrom 0, < 3.10.20, >= 3.11.0, < 3.11.15, >= 3.12.0, < 3.12.13, >= 3.13.0, < 3.13.11, >= 3.14.0, < 3.14.2
- Bitnami/python-minfrom 0, < 3.10.20, >= 3.11.0, < 3.11.15, >= 3.12.0, < 3.12.13, >= 3.13.0, < 3.13.11, >= 3.14.0, < 3.14.2
- Debian/jythonfrom 0
- Debian/pypy3from 0
- Debian/python2.7from 0
- Debian/python3.11from 0, < 3.11.2-6+deb12u7
- Debian/python3.13from 0, < 3.13.5-2+deb13u1
- Debian/python3.14from 0, < 3.14.2-1
- Debian/python3.9from 0, < 3.9.2-1+deb11u5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/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 |
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
References (16)
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2025-12084
- WEBhttps://github.com/python/cpython/commit/027f21e417b26eed4505ac2db101a4352b7c51a0
- WEBhttps://github.com/python/cpython/commit/08d8e18ad81cd45bc4a27d6da478b51ea49486e4
- WEBhttps://github.com/python/cpython/commit/27648a1818749ef44c420afe6173af6868715437
- WEBhttps://github.com/python/cpython/commit/41f468786762348960486c166833a218a0a436af
- WEBhttps://github.com/python/cpython/commit/57937a8e5e293f0dcba5115f7b7a11b1e0c9a273
- WEBhttps://github.com/python/cpython/commit/8d2d7bb2e754f8649a68ce4116271a4932f76907
- WEBhttps://github.com/python/cpython/commit/9c9dda6625a2a90d2a06c657eee021d6be19842d
- WEBhttps://github.com/python/cpython/commit/a46c10ec9d4050ab67b8a932e0859a2ea60c3cb8
- WEBhttps://github.com/python/cpython/commit/a696ba8b4d42fd632afc9bc88ad830a2e4cceed8
- WEBhttps://github.com/python/cpython/commit/c97e87593063d84a2bd9fe7068b30eb44de23dc0
- WEBhttps://github.com/python/cpython/commit/ddcd2acd85d891a53e281c773b3093f9db953964
- WEBhttps://github.com/python/cpython/commit/e91c11449cad34bac3ea55ee09ca557691d92b53
- WEBhttps://github.com/python/cpython/issues/142145
- WEBhttps://github.com/python/cpython/pull/142146
- WEBhttps://nvd.nist.gov/vuln/detail/CVE-2025-12084