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libxml2: Fix of 3 CVEs

Type: advisorySources: OSV

- CVE-2025-9714: additional fixes - CVE-2025-24928: fix stack-based buffer overflow in xmlSnprintfElements in valid.c - CVE-2024-56171: fix use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c

Products
libxml2, libxml2-devel, libxml2-python, libxml2-static
Affected versions
Not specified
Fixed versions
2.7.6-21.0.1.el6_8.1.tuxcare.ol.els13
CVEs
CVE-2024-56171, CVE-2025-24928, CVE-2025-9714
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 14:08 UTC · Revision 1

Source evidence

libxml2: Fix of 3 CVEs

core-osv · Original source

Published 14 Nov 2025, 14:44 UTC

- CVE-2025-9714: additional fixes - CVE-2025-24928: fix stack-based buffer overflow in xmlSnprintfElements in valid.c - CVE-2024-56171: fix use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c

osv:CLSA-2025-1763031933

libxml2

Fixed versions: 2.7.6-21.0.1.el6_8.1.tuxcare.ol.els13

libxml2-devel

Fixed versions: 2.7.6-21.0.1.el6_8.1.tuxcare.ol.els13

libxml2-python

Fixed versions: 2.7.6-21.0.1.el6_8.1.tuxcare.ol.els13

libxml2-static

Fixed versions: 2.7.6-21.0.1.el6_8.1.tuxcare.ol.els13

Complete source record
{
  "id": "5f7280b1f650333c2360e8b83f01ad52d136c2e5bd5c33e8a3c8de8e7e8b21bb",
  "url": "https://osv.dev/vulnerability/CLSA-2025-1763031933",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "libxml2: Fix of 3 CVEs",
    "summary": "- CVE-2025-9714: additional fixes - CVE-2025-24928: fix stack-based buffer overflow in xmlSnprintfElements in valid.c - CVE-2024-56171: fix use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c",
    "evidence": "osv:CLSA-2025-1763031933",
    "products": [
      {
        "name": {
          "value": "libxml2",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.7.6-21.0.1.el6_8.1.tuxcare.ol.els13",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libxml2-devel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.7.6-21.0.1.el6_8.1.tuxcare.ol.els13",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libxml2-python",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.7.6-21.0.1.el6_8.1.tuxcare.ol.els13",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libxml2-static",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.7.6-21.0.1.el6_8.1.tuxcare.ol.els13",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2025-1763031933",
      "aliases": [
        "CLSA-2025-1763031933"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.7.6-21.0.1.el6_8.1.tuxcare.ol.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "libxml2",
            "purl": "pkg:rpm/tuxcare/libxml2?distro=oraclelinux-6",
            "ecosystem": "TuxCare:OracleLinux:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2025-1763031933.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.7.6-21.0.1.el6_8.1.tuxcare.ol.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "libxml2-devel",
            "purl": "pkg:rpm/tuxcare/libxml2-devel?distro=oraclelinux-6",
            "ecosystem": "TuxCare:OracleLinux:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2025-1763031933.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.7.6-21.0.1.el6_8.1.tuxcare.ol.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "libxml2-python",
            "purl": "pkg:rpm/tuxcare/libxml2-python?distro=oraclelinux-6",
            "ecosystem": "TuxCare:OracleLinux:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2025-1763031933.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.7.6-21.0.1.el6_8.1.tuxcare.ol.els13"
                }
              ]
            }
          ],
          "package": {
            "name": "libxml2-static",
            "purl": "pkg:rpm/tuxcare/libxml2-static?distro=oraclelinux-6",
            "ecosystem": "TuxCare:OracleLinux:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2025-1763031933.json"
          }
        }
      ],
      "modified": "2026-10-21T10:48:17.705116196Z",
      "provider": "osv",
      "upstream": [
        "CVE-2024-56171",
        "CVE-2025-24928",
        "CVE-2025-9714"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/oraclelinux6els/CLSA-2025-1763031933.html"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2024-56171",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2025-24928",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2025-9714",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 392920,
  "published_at": "2025-11-14T14:44:40+00:00"
}