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.
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Score 5.3 from GitHub Security Advisory published 2025-12-03. NVD baseline CVSS 5.3; sources differ by 0.0.
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.
December 3, 2025
January 26, 2026
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Red Hat Security Advisory: Red Hat Update Infrastructure 5.1 security update
Red Hat Security Advisory: Red Hat Update Infrastructure 5 security update
Red Hat Security Advisory: A Subscription Management tool for finding and reporting Red Hat product usage
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Quadratic complexity in node ID cache clearing
RHSA-2026:0123 — Moderate
RHSA-2026:1374 — Moderate
RHSA-2026:1408 — Moderate
RHSA-2026:1410 — Moderate
RHSA-2026:1478 — Moderate
RHSA-2026:1537 — Moderate
RHSA-2026:1558 — Moderate
RHSA-2026:1582 — Moderate
RHSA-2026:1583 — Moderate
RHSA-2026:1620 — Moderate
RHSA-2026:1631 — Moderate
RHSA-2026:1828 — Moderate
RHSA-2026:1892 — Moderate
RHSA-2026:1893 — Moderate
RHSA-2026:1922 — Moderate
RHSA-2026:2084 — Moderate
RHSA-2026:2233 — Moderate
RHSA-2026:2275 — Moderate
RHSA-2026:2276 — Moderate
RHSA-2026:2330 — Moderate
RHSA-2026:2391 — Moderate
RHSA-2026:2392 — Moderate
RHSA-2026:2393 — Moderate
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-12084
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