CVE record · CVE-2026-74860

Libxml2: double-free/uaf in libxml2 python bindings

CVSS 8.5 HighEPSS 0.0066 · 51st percentile

Published by the CVE Program (CNA: redhat) at 8 Sept 2026, 11:27 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Red Hat	Red Hat Enterprise Linux 10 Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.12.5-10.el10_2.4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.12.5-9.el10_0.9 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 7 Extended Lifecycle Support Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.9.1-6.el7_9.20 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.9.7-21.el8_10.9 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.9.7-21.el8_10.9 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.9.7-9.el8_4.20 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.9.7-9.el8_4.20 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.9.7-13.el8_6.24 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.9.7-13.el8_6.24 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.9.7-16.el8_8.24 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.9.7-16.el8_8.24 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.9.13-14.el9_8.5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.9.13-14.el9_8.5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.9.13-3.el9_2.20 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.9.13-13.el9_4.10 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support Package name: libxml2 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.9.13-13.el9_6 to before * rpm Other versions: affected
Red Hat	Cert Manager support for Red Hat OpenShift release 1.20 Package name: cert-manager/jetstack-cert-manager-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1790589912 to before * rpm Other versions: affected
Red Hat	Cert Manager support for Red Hat OpenShift release 1.20 Package name: cert-manager/cert-manager-istio-csr-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1790589914 to before * rpm Other versions: affected
Red Hat	Cert Manager support for Red Hat OpenShift release 1.20 Package name: cert-manager/cert-manager-operator-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1790589855 to before * rpm Other versions: affected
Red Hat	Red Hat Cost Management On-Premise 1 Package name: costmanagement/costmanagement-ui-rhel10 https://catalog.redhat.com/software/containers/	unaffected 1791460851 to before * rpm Other versions: affected
Red Hat	Red Hat Hardened Images Package name: libxml2-main https://catalog.redhat.com/software/containers/	unaffected 2.15.4-0.1.hum1 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.0 Package name: rhai/base-image-spyre-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793041986 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.0 Package name: rhai/base-image-rocm-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793041981 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.0 Package name: rhai/base-image-cpu-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793042072 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.0 Package name: rhai/base-image-cuda-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793042067 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.0 Package name: rhai/base-image-tpu-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793041987 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.0 Package name: rhai/base-image-cpu-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793329709 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.0 Package name: rhai/base-image-cuda-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793328358 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.4 Package name: rhai/base-image-rocm-7.1-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793042006 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.4 Package name: rhai/base-image-cuda-12.9-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793042145 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.4 Package name: rhai/base-image-tpu-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793042006 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.4 Package name: rhai/base-image-gaudi-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793042011 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.4 Package name: rhai/base-image-cuda-13.0-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793042086 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.4 Package name: rhai/base-image-cpu-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793042088 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.4 Package name: rhai/base-image-rocm-6.4-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793041995 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.4 Package name: rhai/base-image-spyre-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793042074 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.4 Package name: rhai/base-image-neuron-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793042008 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.4 Package name: rhai/base-image-cuda-13.0-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793326837 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.5 Package name: rhai/base-image-tpu-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793042010 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.5 Package name: rhai/base-image-cpu-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1793042162 to before * rpm Other versions: affected

And 22 more products. The full list is on the CVE record.

Identifiers: CVE-2026-74860
CNA: redhat
Weakness (CWE): CWE-763
Tags: Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 10.0 Extended Update Support
Red Hat Enterprise Linux 7 Extended Lifecycle Support
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
Memory corruption
Published: 8 Sept 2026
Updated: 4 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
8.5	High	3.1	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H	CNA (redhat)

CISA KEV Not listed.
EPSS 0.0066, the 51st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

8 Sept 2026, 11:27 UTC Confirmed by the CVE List
8 Sept 2026, 12:16 UTC Confirmed by NVD

Sources

References from the CNA

access.redhat.com/errata/RHSA-2026:64463 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:71585 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:71586 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:71641 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:72470 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:72475 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:72476 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:79357 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:82939 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:89750 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:89759 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:90309 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91202 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91204 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91206 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91207 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91217 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91218 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91219 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91224 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91232 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91233 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91234 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91235 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91236 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91237 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91238 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91241 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91242 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:91243 vendor-advisoryredhat

And 16 more on the CVE record.

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.