- 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.
- Source
- cna@python.org
- NVD status
- Modified
- Products
- python
CVSS 4.0
- Type
- Secondary
- Base score
- 6.3
- Impact score
- -
- Exploitability score
- -
- Vector string
- 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
- Severity
- MEDIUM
CVSS 3.1
- Type
- Primary
- Base score
- 5.3
- Impact score
- 1.4
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Severity
- MEDIUM
- 134c704f-9b21-4f2e-91b3-4a467353bcc0
- CWE-407
- Hype score
- Not currently trending
Just published a deep dive on the #Fedora 42 patch for CVE-2025-12084. It's fascinating (and a little scary) how a quadratic algorithm in xml.dom.minidom can be weaponized into a full-on DoS attack. Read more: 👉https://t.co/I3AuB7UgYJ #Security https://t.co/t5AdmDe6Tr
@Cezar_H_Linux
16 Mar 2026
92 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
Critical Python 3.11 patch for #SUSE/#openSUSE. Fixes CVE-2025-12084 (DoS), CVE-2025-13836 (HTTP attack), CVE-2025-13837 (OOM). Patch now: zypper patch. Read more: 👉 https://t.co/fVQpiETgDS #Security https://t.co/6WmUY6Vfz2
@Cezar_H_Linux
29 Jan 2026
61 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
URGENT: Patch #Python 3.11 on #Fedora43 now! CVEs: CVE-2025-13836 (HTTP Client DoS) & CVE-2025-12084 (XML DoS). Read more: 👉 https://t.co/qqmeV8ENhc #Security #Fedora https://t.co/SpyXSgQjzC
@Cezar_H_Linux
25 Jan 2026
49 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
Just published a deep dive on #SUSE's critical security advisory (SUSE-SU-2025:4538-1) for CVE-2025-12084. It's more than just a patch note. Read more: 👉 https://t.co/4r8PQEeYOh #Security https://t.co/9zsIVv3t3B
@Cezar_H_Linux
1 Jan 2026
43 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
🚨 Attention #Fedora users and Python developers! A critical security update is available for Fedora 42, patching a denial-of-service vulnerability (CVE-2025-12084) in the #MinGW #Python3 package. Read more: 👉 https://t.co/0zKALHMyug https://t.co/YecA5LLYKv
@Cezar_H_Linux
23 Dec 2025
53 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
CVE-2025-12084: Critical DoS flaw in mingw-python3 impacts Fedora 42 and 43 via quadratic parsing in xml.dom.minidom. Fedora users should apply available fixes promptly. #DoS https://t.co/G4623Z25qX
@threatcluster
23 Dec 2025
19 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
CVE-2025-12084 Quadratic complexity in node ID cache clearing https://t.co/k9ogB0p5sL #MicrosoftSecurity #cybersecurity
@SecQube
7 Dec 2025
49 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
3 CVEs in CPython https://t.co/F9quXztRRL CVE-2025-13836 Excessive read buffering DoS in http.client CVE-2025-13837 Out-of-memory when loading Plist CVE-2025-12084 Quadratic complexity in node ID cache clearing
@oss_security
6 Dec 2025
344 Impressions
0 Retweets
3 Likes
0 Bookmarks
0 Replies
0 Quotes
CVE-2025-12084 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… https://t.co/Gxm8o2jO8Q
@CVEnew
3 Dec 2025
8 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
[
{
"nodes": [
{
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"matchCriteriaId": "701E94DB-563E-44FF-AABF-0F49A9FF664A",
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