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No exploitation reportedFix available

CVE-2024-56171

No exploitation reported by the sources we read.

  • Published2025-02-18
  • Fixed in2.13.6 · 2.12.10
  • WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.

Timeline

dates in UTC
  1. 2025-02-1822:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-56171?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-56171?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Xmlsoft libxml2
BranchAffectedFixed in
2.13≥ 2.13.0, < 2.13.62.13.6
2.12< 2.12.102.12.10
Netapp active iq unified manager
BranchAffectedFixed in
—all versionsno fix published
Netapp h300s firmwareversion to verify
BranchAffectedFixed in
—all versionsno fix published

8 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • RHSA-2026:67857 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: OpenShift Container Platform 4.15.69 bug fix and security update

  • RHSA-2025:3573 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: OpenShift Container Platform 4.12.75 packages and security update

  • RHSA-2025:3569 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: OpenShift Container Platform 4.14.50 bug fix and security update

  • RHSA-2025:3397 Red Hat Product Security13 products fixed

    Red Hat Security Advisory: RHOAI 2.16.0 - Red Hat OpenShift AI

  • RHSA-2025:3368 Red Hat Product Security13 products fixed

    Red Hat Security Advisory: RHOAI 2.16.0 - Red Hat OpenShift AI

  • RHSA-2025:2701 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: OpenShift Container Platform 4.13.56 bug fix and security update

1 more advisory

Full record on NVD

Fix

  1. Update Xmlsoft libxml2 to 2.13.6 · 2.12.10
  2. Vendor fix Red Hat Product Security RHSA-2026:67857 · 4 productsFor OpenShift Container Platform 4.15 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.redhat.com/en/documentation/openshift_container_platform/4.…
  3. Vendor fix Red Hat Product Security RHSA-2025:3573 · 1 productFor OpenShift Container Platform 4.12 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.redhat.com/en/documentation/openshift_container_platfo…
  4. Vendor fix Red Hat Product Security RHSA-2025:3569 · 4 productsFor OpenShift Container Platform 4.14 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.redhat.com/en/documentation/openshift_container_platform/4.…
  5. Vendor fix Red Hat Product Security RHSA-2025:3397 · 13 productsFor Red Hat OpenShift AI 2.16.0 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this errata update: https://docs.redhat.com/en/documentation/red_hat_openshift_ai/
  6. Vendor fix Red Hat Product Security RHSA-2025:2701 · 1 productFor OpenShift Container Platform 4.13 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.redhat.com/en/documentation/openshift_container_platfo…
  7. Vendor fix Red Hat Product Security RHSA-2025:2789 · 12 productsFor details on how to apply this update, refer to: https://docs.redhat.com/en/documentation/openshift_container_platform/latest/html/operators/administrator-tasks#olm-upgrading-operators

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2025-02-19
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.17.8read 2026-10-23
  • NVDCVSS 3.19.8read 2026-10-23
  • CNAweakness (CWE)CWE-416read 2026-10-23
  • FIRST EPSSEPSS score1.2 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2025-02-18
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2024-56171?

libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.

Is CVE-2024-56171 actively exploited?

Active exploitation of CVE-2024-56171 has not been confirmed. Its EPSS score was 1.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-56171?

CVE-2024-56171 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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