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As of 11/09/2026, libxml2 recorded 0 security vulnerabilities in the last 90 days, of which 0 are rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of libxml2 and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-6653libxml2: Use after free in xmlParseInternalSubset via improper entity resolution handlingCVE-2025-7425Libxslt: libxml2: heap use-after-free in libxslt caused by atype corruption in xmlattrptrCVE-2025-49795Libxml: null pointer dereference leads to denial of service (dos)| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-6653libxml2: Use after free in xmlParseInternalSubset via improper entity resolution handling | Exploitation statusNot exploited | FixYes | Published06/22/2026 | SeverityHigh |
CVE-2025-7425Libxslt: libxml2: heap use-after-free in libxslt caused by atype corruption in xmlattrptr | Exploitation statusActively exploited | FixYes | Published07/10/2025 | SeverityHigh |
CVE-2025-49795Libxml: null pointer dereference leads to denial of service (dos) | Exploitation statusNot exploited | FixYes | Published06/16/2025 | SeverityHigh |
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