CVE-2025-6021

CVE-2025-6021 · Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

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.

CVSS 7.5 · High · EPSS 1.4% · Fix available

Published: 2025-06-12T12:49:16.157Z
Updated: 2026-10-12T20:14:44.692Z

Stack: system

Affected products and versions

red hat enterprise linux 10
Versions
- ≥ 0:2.12.5-7.el10_0: Not affected (rpm)
No fix published
red hat enterprise linux 7 extended lifecycle support
Versions
- ≥ 0:2.9.1-6.el7_9.10: Not affected (rpm)
No fix published
red hat enterprise linux 8
Versions
- ≥ 0:2.9.7-21.el8_10.1: Not affected (rpm)
No fix published
red hat enterprise linux 8.2 advanced update support
Versions
- ≥ 0:2.9.7-9.el8_2.3: Not affected (rpm)
No fix published
red hat enterprise linux 8.4 advanced mission critical update support
Versions
- ≥ 0:2.9.7-9.el8_4.6: Not affected (rpm)
No fix published
red hat enterprise linux 8.4 extended update support long-life add-on
Versions
- ≥ 0:2.9.7-9.el8_4.6: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 advanced mission critical update support
Versions
- ≥ 0:2.9.7-13.el8_6.10: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 telecommunications update service
Versions
- ≥ 0:2.9.7-13.el8_6.10: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 update services for sap solutions
Versions
- ≥ 0:2.9.7-13.el8_6.10: Not affected (rpm)
No fix published
red hat enterprise linux 8.8 telecommunications update service
Versions
- ≥ 0:2.9.7-16.el8_8.9: Not affected (rpm)
No fix published
red hat enterprise linux 8.8 update services for sap solutions
Versions
- ≥ 0:2.9.7-16.el8_8.9: Not affected (rpm)
No fix published
red hat enterprise linux 9
Versions
- ≥ 0:2.9.13-10.el9_6: Not affected (rpm)
No fix published
red hat enterprise linux 9.0 update services for sap solutions
Versions
- ≥ 0:2.9.13-1.el9_0.5: Not affected (rpm)
No fix published
red hat enterprise linux 9.2 update services for sap solutions
Versions
- ≥ 0:2.9.13-3.el9_2.7: Not affected (rpm)
No fix published
red hat enterprise linux 9.4 extended update support
Versions
- ≥ 0:2.9.13-10.el9_4: Not affected (rpm)
No fix published
red hat jboss core services 2.4.62.sp2
No fix published
red hat openshift container platform 4.12
Versions
- ≥ 412.86.202509030110-0: Not affected (rpm)
No fix published
red hat openshift container platform 4.13
Versions
- ≥ 413.92.202509030117-0: Not affected (rpm)
No fix published
red hat openshift container platform 4.14
Versions
- ≥ 414.92.202508041909-0: Not affected (rpm)
No fix published
red hat openshift container platform 4.15
Versions
- ≥ 415.92.202508192014-0: Not affected (rpm)
No fix published
red hat openshift container platform 4.16
Versions
- ≥ 416.94.202508050040-0: Not affected (rpm)
No fix published
red hat openshift container platform 4.17
Versions
- ≥ 417.94.202508141510-0: Not affected (rpm)
No fix published
red hat openshift container platform 4.18
Versions
- ≥ 418.94.202508060022-0: Not affected (rpm)
No fix published
red hat openshift container platform 4.19
Versions
- ≥ 4.19.9.6.202507230107-0: Not affected (rpm)
No fix published

Original sources

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