libxslt: Fix of 6 CVEs

{
  "id": "cc4e5286836f51e5903bc00e5256a261a0f37ee2c4c9d2c377e02fef54b52de0",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1792507096",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "libxslt: Fix of 6 CVEs",
    "summary": "- CVE-2019-11068: fix security framework bypass in xsltCheckRead and xsltCheckWrite callers - CVE-2019-18197: fix dangling pointer in xsltCopyText - CVE-2019-5815: always set context node before calling XPath iterators - CVE-2021-30560: fix use-after-free in xsltApplyTemplates - CVE-2024-55549: fix use-after-free related to excluded namespaces - CVE-2025-24855: fix use-after-free of XPath context node in nested XPath evaluations",
    "evidence": "osv:CLSA-2026-1792507096",
    "products": [
      {
        "name": {
          "value": "libxslt",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.1.26-2.el6_3.1.tuxcare.els1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libxslt-devel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.1.26-2.el6_3.1.tuxcare.els1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libxslt-python",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.1.26-2.el6_3.1.tuxcare.els1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1792507096",
      "aliases": [
        "CLSA-2026-1792507096"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.1.26-2.el6_3.1.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "libxslt",
            "purl": "pkg:rpm/tuxcare/libxslt?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1792507096.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.1.26-2.el6_3.1.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "libxslt-devel",
            "purl": "pkg:rpm/tuxcare/libxslt-devel?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1792507096.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.1.26-2.el6_3.1.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "libxslt-python",
            "purl": "pkg:rpm/tuxcare/libxslt-python?distro=centos-6",
            "ecosystem": "TuxCare:CentOS:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2026-1792507096.json"
          }
        }
      ],
      "modified": "2026-10-26T09:31:41.193841590Z",
      "provider": "osv",
      "upstream": [
        "CVE-2019-11068",
        "CVE-2019-18197",
        "CVE-2019-5815",
        "CVE-2021-30560",
        "CVE-2024-55549",
        "CVE-2025-24855"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/centos6els/CLSA-2026-1792507096.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2019-11068",
        "https://nvd.nist.gov/vuln/detail/CVE-2019-18197",
        "https://nvd.nist.gov/vuln/detail/CVE-2019-5815",
        "https://nvd.nist.gov/vuln/detail/CVE-2021-30560",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-55549",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-24855"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2019-11068",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2019-18197",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2019-5815",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2021-30560",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2024-55549",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2025-24855",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 448103,
  "published_at": "2026-10-20T16:51:41+00:00"
}