The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:10699 advisory.

    The libxml2 library is a development toolbox providing the implementation of various XML standards.

    Security Fix(es):

    * libxml: Heap use after free (UAF) leads to Denial of service (DoS) (CVE-2025-49794)

    * libxml: Type confusion leads to Denial of service (DoS) (CVE-2025-49796)

    * libxml2: Integer Overflow in xmlBuildQName() Leads to Stack Buffer Overflow in libxml2 (CVE-2025-6021)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

Analytics

RHEL 9 : libxml2 (RHSA-2025:10699)

critical Nessus Plugin ID 241658

Version 1.4

Version 1.3

Version 1.2

Version 1.1

Version 1.4 Jan 21, 2026, 5:00 PM IAVM reference Plugin Feed: 202601211700
Version 1.3 Oct 10, 2025, 2:37 AM Detection (updated detection logic) Plugin Feed: 202510100237
Version 1.2 Oct 3, 2025, 10:49 PM New Plugin Feed: 202510032249
Version 1.1 Jul 9, 2025, 9:07 PM New Plugin Feed: 202507092107