CVE-2025-49794: Libxml2 Vulnerability in NetApp Products
Not in the CISA KEV catalog. Critical advisory severity (CVSS 9.1, NetApp).
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
CVE-2025-49794 key facts
- CISA KEV
- Not listed (catalog checked )
- Highest advisory severity
- Critical
- CVSS base score
- 9.1 (NetApp), 9.1 (Red Hat)
- Weakness
- CWE-825
- Fixed releases
- NetApp: Active IQ Unified Manager for VMware vSphere: 9.18, NetApp Manageability SDK: 9.8P11
- Red Hat: libxml2-0:2.12.5-7.el10_0, libxml2-0:2.9.1-6.el7_9.10, libxml2-0:2.9.7-21.el8_10.1, libxml2-0:2.9.7-9.el8_2.3, libxml2-0:2.9.7-9.el8_4.6, libxml2-0:2.9.7-13.el8_6.10 and 44 more in the advisory
- VulniPulse record
- Published · Updated
Scores, vectors, weaknesses and fixed releases are quoted from vendor advisories that cover only CVE-2025-49794; bulletin-wide values are not repeated here.
Is CVE-2025-49794 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2025-49794 is not in the CISA KEV catalog (checked ) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2025-49794?
Upgrade to a fixed release named by the vendor:
- NetApp: Active IQ Unified Manager for VMware vSphere: 9.18, NetApp Manageability SDK: 9.8P11
- Red Hat: libxml2-0:2.12.5-7.el10_0, libxml2-0:2.9.1-6.el7_9.10, libxml2-0:2.9.7-21.el8_10.1, libxml2-0:2.9.7-9.el8_2.3, libxml2-0:2.9.7-9.el8_4.6, libxml2-0:2.9.7-13.el8_6.10
- Update affected NetApp products to a fixed release: Active IQ Unified Manager for VMware vSphere: 9.18, NetApp Manageability SDK: 9.8P11. (NetApp)
- SnapManager for Hyper-V has no planned fix; migrate to a supported release or product and consult NetApp's end-of-support notice. (NetApp)
- There's no available mitigation other than avoid processing untrusted XML documents before updating to the libxml version containing the fix. (Red Hat)
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Vendor advisory comparison
NetApp
1 advisory- Advisory severityCritical9.1
Critical [CVE-2025-49794] Libxml2 Vulnerability in NetApp Products
NTAP-20250718-0003Source published Source updated
Multiple NetApp products incorporate libxml2. Libxml2 versions through 2.14.4 are susceptible to a vulnerability which when successfully exploited could lead to addition or modification of data or Denial of Service (DoS). Affected products: Active IQ Unified Manager for VMware vSphere, NetApp Manageability SDK, NetApp SolidFire & HCI Management Node, SnapManager for Hyper-V, iNetApp SolidFire & HCI Storage Node (Element Software). NetApp reports that one or more additional products remain under investigation; review the canonical advisory for current status. NetApp states there is no workaround available at this time.
- Affected products in this advisory
- Active IQ Unified Manager for VMware vSphere
- NetApp Manageability SDK
- NetApp SolidFire & HCI Management Node
- SnapManager for Hyper-V
1 more entries in the full advisory.
- Source-reported affected versions
- 2.14.4
- Source-reported fixed versions
- Active IQ Unified Manager for VMware vSphere: 9.18
- NetApp Manageability SDK: 9.8P11
- Mitigation guidance
- Update affected NetApp products to a fixed release: Active IQ Unified Manager for VMware vSphere: 9.18, NetApp Manageability SDK: 9.8P11.
- SnapManager for Hyper-V has no planned fix; migrate to a supported release or product and consult NetApp's end-of-support notice.
Red Hat
1 advisory- Advisory severityCritical9.1
Critical [CVE-2025-49794] heap use after free (uaf) leads to denial of service (dos)
CVE-2025-49794Source published Source updated
A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the program's crash using libxml or other possible undefined behaviors. This issue was rated with a severity impact of Important by Red Hat Product Security, as libxml can be used to parse XML coming from the network depending on how the program consumes it and uses the library. Additionally, although the initial report shows a crash due to invalid memory access (A:H), other undefined issues that can present data integrity due to the application overwriting sensitive data are not discarded (I:H). Weakness…
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 7 Extended Lifecycle Support
- Red Hat Enterprise Linux 8.2 Advanced Update Support
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
29 more entries in the full advisory.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- libxml2-0:2.12.5-7.el10_0
- libxml2-0:2.9.1-6.el7_9.10
- libxml2-0:2.9.7-21.el8_10.1
- libxml2-0:2.9.7-9.el8_2.3
46 more entries in the full advisory.
- Mitigation guidance
- There's no available mitigation other than avoid processing untrusted XML documents before updating to the libxml version containing the fix.
More NetApp advisories
- CVE-2025-49796Jul 18, 2025Libxml2 Vulnerability in NetApp Products
- CVE-2025-6170Oct 17, 2025Libxml2 Vulnerability in NetApp Products
- CVE-2025-49795Oct 17, 2025Libxml2 Vulnerability in NetApp Products
- CVE-2025-6021Jul 11, 2025Libxml2 Vulnerability in NetApp Products
- CVE-2025-32415Jun 5, 2025Libxml2 Vulnerability in NetApp Products
- CVE-2026-50193Oct 21, 2026FasterXML jackson-databind Vulnerability in NetApp Products
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