CVE-2025-6021
HIGH EPSS 60.6%
Published Jun 12, 20251y ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
Published Jun 12, 2025 1y ago
Last Modified Jun 17, 2026 1w ago
Description
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 Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High
Threat Intelligence
EPSS Exploit Probability
60.6% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available
Weaknesses 1
CWE-787 Out-of-bounds Write Memory Safety
Affected Products 72
| Vendor | Product | Version | Range |
|---|---|---|---|
| xmlsoft | libxml2 | * | <2.14.4 |
| redhat | jboss_core_services | * | any |
| redhat | openshift_container_platform | 4.12 | any |
| redhat | openshift_container_platform | 4.13 | any |
| redhat | openshift_container_platform | 4.14 | any |
| redhat | openshift_container_platform | 4.15 | any |
| redhat | openshift_container_platform | 4.16 | any |
| redhat | openshift_container_platform | 4.17 | any |
| redhat | openshift_container_platform | 4.18 | any |
| redhat | openshift_container_platform_for_arm64 | 4.13 | any |
| redhat | openshift_container_platform_for_arm64 | 4.14 | any |
| redhat | openshift_container_platform_for_arm64 | 4.15 | any |
| redhat | openshift_container_platform_for_arm64 | 4.16 | any |
| redhat | openshift_container_platform_for_arm64 | 4.17 | any |
| redhat | openshift_container_platform_for_arm64 | 4.18 | any |
| redhat | openshift_container_platform_for_ibm_z | 4.13 | any |
| redhat | openshift_container_platform_for_ibm_z | 4.14 | any |
| redhat | openshift_container_platform_for_ibm_z | 4.15 | any |
| redhat | openshift_container_platform_for_ibm_z | 4.16 | any |
| redhat | openshift_container_platform_for_ibm_z | 4.17 | any |
| redhat | openshift_container_platform_for_ibm_z | 4.18 | any |
| redhat | openshift_container_platform_for_linuxone | 4.13 | any |
| redhat | openshift_container_platform_for_linuxone | 4.14 | any |
| redhat | openshift_container_platform_for_linuxone | 4.15 | any |
| redhat | openshift_container_platform_for_linuxone | 4.16 | any |
| redhat | openshift_container_platform_for_linuxone | 4.17 | any |
| redhat | openshift_container_platform_for_linuxone | 4.18 | any |
| redhat | openshift_container_platform_for_power | 4.13 | any |
| redhat | openshift_container_platform_for_power | 4.14 | any |
| redhat | openshift_container_platform_for_power | 4.15 | any |
| redhat | openshift_container_platform_for_power | 4.16 | any |
| redhat | openshift_container_platform_for_power | 4.17 | any |
| redhat | openshift_container_platform_for_power | 4.18 | any |
| redhat | enterprise_linux | 8.0 | any |
| redhat | enterprise_linux | 9.0 | any |
| redhat | enterprise_linux | 10.0 | any |
| redhat | enterprise_linux_eus | 8.4 | any |
| redhat | enterprise_linux_eus | 8.6 | any |
| redhat | enterprise_linux_eus | 8.8 | any |
| redhat | enterprise_linux_eus | 9.4 | any |
| redhat | enterprise_linux_eus | 9.6 | any |
| redhat | enterprise_linux_eus | 10.0 | any |
| redhat | enterprise_linux_for_arm_64 | 8.0_aarch64 | any |
| redhat | enterprise_linux_for_arm_64 | 9.0_aarch64 | any |
| redhat | enterprise_linux_for_arm_64 | 9.4_aarch64 | any |
| redhat | enterprise_linux_for_arm_64 | 10.0_aarch64 | any |
| redhat | enterprise_linux_for_arm_64_eus | 9.4_aarch64 | any |
| redhat | enterprise_linux_for_arm_64_eus | 9.6_aarch64 | any |
| redhat | enterprise_linux_for_arm_64_eus | 10.0_aarch64 | any |
| redhat | enterprise_linux_for_ibm_z_systems | 8.0_s390x | any |
| redhat | enterprise_linux_for_ibm_z_systems | 9.4_s390x | any |
| redhat | enterprise_linux_for_ibm_z_systems | 10.0_s390x | any |
| redhat | enterprise_linux_for_ibm_z_systems_eus | 9.0_s390x | any |
| redhat | enterprise_linux_for_ibm_z_systems_eus | 9.4_s390x | any |
| redhat | enterprise_linux_for_ibm_z_systems_eus | 9.6_s390x | any |
| redhat | enterprise_linux_for_ibm_z_systems_eus | 10.0_s390x | any |
| redhat | enterprise_linux_for_power_little_endian | 8.0_ppc64le | any |
| redhat | enterprise_linux_for_power_little_endian | 9.0_ppc64le | any |
| redhat | enterprise_linux_for_power_little_endian | 10.0_ppc64le | any |
| redhat | enterprise_linux_for_power_little_endian_eus | 9.4_ppc64le | any |
| redhat | enterprise_linux_for_power_little_endian_eus | 9.6_ppc64le | any |
| redhat | enterprise_linux_for_power_little_endian_eus | 10.0_ppc64le | any |
| redhat | enterprise_linux_server | 7.0 | any |
| redhat | enterprise_linux_server_aus | 8.2 | any |
| redhat | enterprise_linux_server_aus | 8.4 | any |
| redhat | enterprise_linux_server_aus | 8.6 | any |
| redhat | enterprise_linux_server_aus | 9.2 | any |
| redhat | enterprise_linux_server_aus | 9.4 | any |
| redhat | enterprise_linux_server_aus | 9.6 | any |
| redhat | enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions | 9.4_ppc64le | any |
| redhat | enterprise_linux_server_tus | 8.8 | any |
| redhat | in-vehicle_operating_system | 1.0 | any |
References 28
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:10630
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:10698
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:10699
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:11580
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:11673
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:12098
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:12099
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:12199
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:12237
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:12239
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:12240
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:12241
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:13267
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:13289
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:13325
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:13335
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:13336
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:14059
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:14396
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:15308
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:15672
- access.redhat.com https://access.redhat.com/errata/RHSA-2025:19020
- access.redhat.com https://access.redhat.com/errata/RHSA-2026:7519
- access.redhat.com https://access.redhat.com/security/cve/CVE-2025-6021
- bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2372406
- cert-portal.siemens.com https://cert-portal.siemens.com/productcert/html/ssa-032379.html
- gitlab.gnome.org https://gitlab.gnome.org/GNOME/libxml2/-/issues/926
- lists.debian.org https://lists.debian.org/debian-lts-announce/2025/07/msg00014.html
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.