CVE-2025-6021
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 3.1
- 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS
- 1.4% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-25)
- CWE
- CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- redhat:enterprise_linux
- redhat:enterprise_linux_eus
- redhat:enterprise_linux_for_arm_64
- redhat:enterprise_linux_for_arm_64_eus
- redhat:enterprise_linux_for_ibm_z_systems
- redhat:enterprise_linux_for_ibm_z_systems_eus
- redhat:enterprise_linux_for_power_little_endian
- redhat:enterprise_linux_for_power_little_endian_eus
- redhat:enterprise_linux_server
- redhat:enterprise_linux_server_aus
- redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions
- redhat:enterprise_linux_server_tus
- redhat:in-vehicle_operating_system
- redhat:jboss_core_services
- redhat:openshift_container_platform
- redhat:openshift_container_platform_for_arm64
- redhat:openshift_container_platform_for_ibm_z
- redhat:openshift_container_platform_for_linuxone
- redhat:openshift_container_platform_for_power
- xmlsoft:libxml2