CVE-2025-6021

CVE.org · Published

Record status: Published
Identifier year (not publication year): 2025
Source publication: Jun 12, 2025
Source updated: Oct 12, 2026
Imported by cveboard: Oct 24, 2026
Source snapshot: cve_2026-10-24_midnight_baseline · Oct 24, 2026

CNA source text (English)

Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2

A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

libxml2

Vendor: Unknown
Product: Unknown
Platforms: Unknown
Default status: unaffected
Package: libxml2
Package collection: https://gitlab.gnome.org/GNOME/libxml2/

libxml2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0	`affected`	semver	2.14.4	Unavailable	None listed

Red Hat Enterprise Linux 10

Vendor: Red Hat
Product: Red Hat Enterprise Linux 10
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 10 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.12.5-7.el10_0	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 7 Extended Lifecycle Support

Vendor: Red Hat
Product: Red Hat Enterprise Linux 7 Extended Lifecycle Support
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 7 Extended Lifecycle Support · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.9.1-6.el7_9.10	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 8

Vendor: Red Hat
Product: Red Hat Enterprise Linux 8
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 8 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.9.7-21.el8_10.1	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 8

Vendor: Red Hat
Product: Red Hat Enterprise Linux 8
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 8 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.9.7-21.el8_10.1	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 8.2 Advanced Update Support

Vendor: Red Hat
Product: Red Hat Enterprise Linux 8.2 Advanced Update Support
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 8.2 Advanced Update Support · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.9.7-9.el8_2.3	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support

Vendor: Red Hat
Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.9.7-9.el8_4.6	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

Vendor: Red Hat
Product: Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.9.7-9.el8_4.6	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support

Vendor: Red Hat
Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.9.7-13.el8_6.10	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 8.6 Telecommunications Update Service

Vendor: Red Hat
Product: Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 8.6 Telecommunications Update Service · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.9.7-13.el8_6.10	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions

Vendor: Red Hat
Product: Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.9.7-13.el8_6.10	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Vendor: Red Hat
Product: Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 8.8 Telecommunications Update Service · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.9.7-16.el8_8.9	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions

Vendor: Red Hat
Product: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.9.7-16.el8_8.9	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 9

Vendor: Red Hat
Product: Red Hat Enterprise Linux 9
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 9 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.9.13-10.el9_6	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 9

Vendor: Red Hat
Product: Red Hat Enterprise Linux 9
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 9 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.9.13-10.el9_6	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Vendor: Red Hat
Product: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.9.13-1.el9_0.5	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Vendor: Red Hat
Product: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.9.13-3.el9_2.7	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 9.4 Extended Update Support

Vendor: Red Hat
Product: Red Hat Enterprise Linux 9.4 Extended Update Support
Platforms: Unknown
Default status: affected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat Enterprise Linux 9.4 Extended Update Support · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
0:2.9.13-10.el9_4	`unaffected`	rpm	*	Unavailable	None listed

Red Hat JBoss Core Services 2.4.62.SP2

Vendor: Red Hat
Product: Red Hat JBoss Core Services 2.4.62.SP2
Platforms: Unknown
Default status: unaffected
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

No explicit version tuples; consult this entry's default status.

Red Hat OpenShift Container Platform 4.12

Vendor: Red Hat
Product: Red Hat OpenShift Container Platform 4.12
Platforms: Unknown
Default status: affected
Package: openshift/ose-rhel-coreos-8
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat OpenShift Container Platform 4.12 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
412.86.202509030110-0	`unaffected`	rpm	*	Unavailable	None listed

Red Hat OpenShift Container Platform 4.13

Vendor: Red Hat
Product: Red Hat OpenShift Container Platform 4.13
Platforms: Unknown
Default status: affected
Package: openshift/ose-rhel-coreos-9
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat OpenShift Container Platform 4.13 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
413.92.202509030117-0	`unaffected`	rpm	*	Unavailable	None listed

Red Hat OpenShift Container Platform 4.14

Vendor: Red Hat
Product: Red Hat OpenShift Container Platform 4.14
Platforms: Unknown
Default status: affected
Package: openshift/ose-rhel-coreos-9
Package collection: https://catalog.redhat.com/software/containers/

Red Hat OpenShift Container Platform 4.14 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
414.92.202508041909-0	`unaffected`	rpm	*	Unavailable	None listed

Red Hat OpenShift Container Platform 4.15

Vendor: Red Hat
Product: Red Hat OpenShift Container Platform 4.15
Platforms: Unknown
Default status: affected
Package: openshift/ose-rhel-coreos-9
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat OpenShift Container Platform 4.15 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
415.92.202508192014-0	`unaffected`	rpm	*	Unavailable	None listed

Red Hat OpenShift Container Platform 4.16

Vendor: Red Hat
Product: Red Hat OpenShift Container Platform 4.16
Platforms: Unknown
Default status: affected
Package: openshift/ose-rhel-coreos-9
Package collection: https://catalog.redhat.com/software/containers/

Red Hat OpenShift Container Platform 4.16 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
416.94.202508050040-0	`unaffected`	rpm	*	Unavailable	None listed

Red Hat OpenShift Container Platform 4.17

Vendor: Red Hat
Product: Red Hat OpenShift Container Platform 4.17
Platforms: Unknown
Default status: affected
Package: openshift/ose-rhel-coreos-9
Package collection: https://access.redhat.com/downloads/content/package-browser/

Red Hat OpenShift Container Platform 4.17 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
417.94.202508141510-0	`unaffected`	rpm	*	Unavailable	None listed

Red Hat OpenShift Container Platform 4.18

Vendor: Red Hat
Product: Red Hat OpenShift Container Platform 4.18
Platforms: Unknown
Default status: affected
Package: openshift/ose-rhel-coreos-9
Package collection: https://catalog.redhat.com/software/containers/

Red Hat OpenShift Container Platform 4.18 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
418.94.202508060022-0	`unaffected`	rpm	*	Unavailable	None listed

Red Hat OpenShift Container Platform 4.19

Vendor: Red Hat
Product: Red Hat OpenShift Container Platform 4.19
Platforms: Unknown
Default status: affected
Package: openshift/ose-rhel-coreos-9
Package collection: https://catalog.redhat.com/software/containers/

Red Hat OpenShift Container Platform 4.19 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
4.19.9.6.202507230107-0	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Discovery 2

Vendor: Red Hat
Product: Red Hat Discovery 2
Platforms: Unknown
Default status: affected
Package: discovery/discovery-server-rhel9
Package collection: https://catalog.redhat.com/software/containers/

Red Hat Discovery 2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
2.0.1-1754478727	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Hardened Images

Vendor: Red Hat
Product: Red Hat Hardened Images
Platforms: Unknown
Default status: affected
Package: libxml2-main
Package collection: https://catalog.redhat.com/software/containers/

Red Hat Hardened Images · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
2.15.2-0.3.hum1	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Insights proxy 1.5

Vendor: Red Hat
Product: Red Hat Insights proxy 1.5
Platforms: Unknown
Default status: affected
Package: insights-proxy/insights-proxy-container-rhel9
Package collection: https://catalog.redhat.com/software/containers/

Red Hat Insights proxy 1.5 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
1.5.5-1754504343	`unaffected`	rpm	*	Unavailable	None listed

Red Hat Enterprise Linux 6

Vendor: Red Hat
Product: Red Hat Enterprise Linux 6
Platforms: Unknown
Default status: unknown
Package: libxml2
Package collection: https://access.redhat.com/downloads/content/package-browser/

No explicit version tuples; consult this entry's default status.