github - ghsa-qg4c-8pj4-qgw2

ghsa-qg4c-8pj4-qgw2

Vulnerability from github

Published

2025-06-16 18:32

Modified

2025-06-16 18:32

Severity ?

9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-49794"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-825"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-16T16:15:18Z",
    "severity": "CRITICAL"
  },
  "details": "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 \u003csch:name path=\"...\"/\u003e schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the program\u0027s crash using libxml or other possible undefined behaviors.",
  "id": "GHSA-qg4c-8pj4-qgw2",
  "modified": "2025-06-16T18:32:19Z",
  "published": "2025-06-16T18:32:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-49794"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2025-49794"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2372373"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2025-49794

Vulnerability from cvelistv5

Published

2025-06-16 15:24

Modified

2025-06-16 15:51

Severity ?

9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Summary

Libxml: heap use after free (uaf) leads to denial of service (dos)

References

▼	URL	Tags
	https://access.redhat.com/security/cve/CVE-2025-49794	vdb-entry, x_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=2372373	issue-tracking, x_refsource_REDHAT

Impacted products

▼	Vendor	Product
	Red Hat	Red Hat Enterprise Linux 10
	Red Hat	Red Hat Enterprise Linux 6
	Red Hat	Red Hat Enterprise Linux 7
	Red Hat	Red Hat Enterprise Linux 8
	Red Hat	Red Hat Enterprise Linux 9
	Red Hat	Red Hat JBoss Core Services

Show details on NVD website

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}

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