CVE-2025-6021

EUVD-2025-18175
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
siemens-SADPADP
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 84%
Affected Products (NVD)
VendorProductVersion
xmlsoftlibxml2
𝑥
< 2.14.4
redhatjboss_core_services
-
redhatopenshift_container_platform
4.12
redhatopenshift_container_platform
4.13
redhatopenshift_container_platform
4.14
redhatopenshift_container_platform
4.15
redhatopenshift_container_platform
4.16
redhatopenshift_container_platform
4.17
redhatopenshift_container_platform
4.18
redhatopenshift_container_platform_for_arm64
4.13
redhatopenshift_container_platform_for_arm64
4.14
redhatopenshift_container_platform_for_arm64
4.15
redhatopenshift_container_platform_for_arm64
4.16
redhatopenshift_container_platform_for_arm64
4.17
redhatopenshift_container_platform_for_arm64
4.18
redhatopenshift_container_platform_for_ibm_z
4.13
redhatopenshift_container_platform_for_ibm_z
4.14
redhatopenshift_container_platform_for_ibm_z
4.15
redhatopenshift_container_platform_for_ibm_z
4.16
redhatopenshift_container_platform_for_ibm_z
4.17
redhatopenshift_container_platform_for_ibm_z
4.18
redhatopenshift_container_platform_for_linuxone
4.13
redhatopenshift_container_platform_for_linuxone
4.14
redhatopenshift_container_platform_for_linuxone
4.15
redhatopenshift_container_platform_for_linuxone
4.16
redhatopenshift_container_platform_for_linuxone
4.17
redhatopenshift_container_platform_for_linuxone
4.18
redhatopenshift_container_platform_for_power
4.13
redhatopenshift_container_platform_for_power
4.14
redhatopenshift_container_platform_for_power
4.15
redhatopenshift_container_platform_for_power
4.16
redhatopenshift_container_platform_for_power
4.17
redhatopenshift_container_platform_for_power
4.18
redhatenterprise_linux
8.0
redhatenterprise_linux
9.0
redhatenterprise_linux
10.0
redhatenterprise_linux_eus
8.4
redhatenterprise_linux_eus
8.6
redhatenterprise_linux_eus
8.8
redhatenterprise_linux_eus
9.4
redhatenterprise_linux_eus
9.6
redhatenterprise_linux_eus
10.0
redhatenterprise_linux_for_arm_64
8.0_aarch64:_aarch64
redhatenterprise_linux_for_arm_64
9.0_aarch64:_aarch64
redhatenterprise_linux_for_arm_64
9.4_aarch64:_aarch64
redhatenterprise_linux_for_arm_64
10.0_aarch64:_aarch64
redhatenterprise_linux_for_arm_64_eus
9.4_aarch64:_aarch64
redhatenterprise_linux_for_arm_64_eus
9.6_aarch64:_aarch64
redhatenterprise_linux_for_arm_64_eus
10.0_aarch64:_aarch64
redhatenterprise_linux_for_ibm_z_systems
8.0_s390x:_s390x
redhatenterprise_linux_for_ibm_z_systems
9.4_s390x:_s390x
redhatenterprise_linux_for_ibm_z_systems
10.0_s390x:_s390x
redhatenterprise_linux_for_ibm_z_systems_eus
9.0_s390x:_s390x
redhatenterprise_linux_for_ibm_z_systems_eus
9.4_s390x:_s390x
redhatenterprise_linux_for_ibm_z_systems_eus
9.6_s390x:_s390x
redhatenterprise_linux_for_ibm_z_systems_eus
10.0_s390x:_s390x
redhatenterprise_linux_for_power_little_endian
8.0_ppc64le:_ppc64le
redhatenterprise_linux_for_power_little_endian
9.0_ppc64le:_ppc64le
redhatenterprise_linux_for_power_little_endian
10.0_ppc64le:_ppc64le
redhatenterprise_linux_for_power_little_endian_eus
9.4_ppc64le:_ppc64le
redhatenterprise_linux_for_power_little_endian_eus
9.6_ppc64le:_ppc64le
redhatenterprise_linux_for_power_little_endian_eus
10.0_ppc64le:_ppc64le
redhatenterprise_linux_server
7.0
redhatenterprise_linux_server_aus
8.2
redhatenterprise_linux_server_aus
8.4
redhatenterprise_linux_server_aus
8.6
redhatenterprise_linux_server_aus
9.2
redhatenterprise_linux_server_aus
9.4
redhatenterprise_linux_server_aus
9.6
redhatenterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions
9.4_ppc64le:_ppc64le
redhatenterprise_linux_server_tus
8.8
redhatin-vehicle_operating_system
1.0
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
SiemensSIMATIC CN 4100
𝑥
< V5.0
ADP
siemenssimatic_cn_4100
𝑥
< 5.0
ADP
Debian logo
Debian Releases
Debian Product
Codename
libxml2
bookworm
2.9.14+dfsg-1.3~deb12u5
fixed
bookworm (security)
2.9.14+dfsg-1.3~deb12u4
fixed
bullseye
vulnerable
bullseye (security)
2.9.10+dfsg-6.7+deb11u9
fixed
forky
2.15.2+dfsg-0.1
fixed
sid
2.15.2+dfsg-0.1
fixed
trixie
2.12.7+dfsg+really2.9.14-2.1+deb13u2
fixed
trixie (security)
2.12.7+dfsg+really2.9.14-2.1+deb13u1
fixed
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
libxml2-2
suse enterprise desktop 15 SP6
2.10.3-150500.5.29.1
fixed
suse enterprise desktop 15 SP7
2.12.10-150700.4.3.1
fixed
suse enterprise sap 15 SP6
2.10.3-150500.5.29.1
fixed
suse enterprise sap 15 SP7
2.12.10-150700.4.3.1
fixed
suse enterprise server 12 SP3
2.9.4-46.87.1
fixed
suse enterprise server 12 SP5
2.9.4-46.87.1
fixed
suse enterprise server 15 SP2
2.9.7-150000.3.82.1
fixed
suse enterprise server 15 SP3
2.9.7-150000.3.82.1
fixed
suse enterprise server 15 SP4
2.9.14-150400.5.44.1
fixed
suse enterprise server 15 SP5
2.10.3-150500.5.29.1
fixed
suse enterprise server 15 SP6
2.10.3-150500.5.29.1
fixed
suse enterprise server 15 SP7
2.12.10-150700.4.3.1
fixed
libxml2-2-32bit
suse enterprise desktop 15 SP6
2.10.3-150500.5.29.1
fixed
suse enterprise desktop 15 SP7
2.12.10-150700.4.3.1
fixed
suse enterprise sap 15 SP6
2.10.3-150500.5.29.1
fixed
suse enterprise sap 15 SP7
2.12.10-150700.4.3.1
fixed
suse enterprise server 12 SP3
2.9.4-46.87.1
fixed
suse enterprise server 12 SP5
2.9.4-46.87.1
fixed
suse enterprise server 15 SP2
2.9.7-150000.3.82.1
fixed
suse enterprise server 15 SP3
2.9.7-150000.3.82.1
fixed
suse enterprise server 15 SP4
2.9.14-150400.5.44.1
fixed
suse enterprise server 15 SP5
2.10.3-150500.5.29.1
fixed
suse enterprise server 15 SP6
2.10.3-150500.5.29.1
fixed
suse enterprise server 15 SP7
2.12.10-150700.4.3.1
fixed
libxml2-devel
suse enterprise desktop 15 SP6
2.10.3-150500.5.29.1
fixed
suse enterprise desktop 15 SP7
2.12.10-150700.4.3.1
fixed
suse enterprise sap 15 SP6
2.10.3-150500.5.29.1
fixed
suse enterprise sap 15 SP7
2.12.10-150700.4.3.1
fixed
suse enterprise server 12 SP5
2.9.4-46.87.1
fixed
suse enterprise server 15 SP2
2.9.7-150000.3.82.1
fixed
suse enterprise server 15 SP3
2.9.7-150000.3.82.1
fixed
suse enterprise server 15 SP4
2.9.14-150400.5.44.1
fixed
suse enterprise server 15 SP5
2.10.3-150500.5.29.1
fixed
suse enterprise server 15 SP6
2.10.3-150500.5.29.1
fixed
suse enterprise server 15 SP7
2.12.10-150700.4.3.1
fixed
libxml2-doc
suse enterprise server 12 SP3
2.9.4-46.87.1
fixed
suse enterprise server 12 SP5
2.9.4-46.87.1
fixed
libxml2-tools
suse enterprise desktop 15 SP6
2.10.3-150500.5.29.1
fixed
suse enterprise desktop 15 SP7
2.12.10-150700.4.3.1
fixed
suse enterprise sap 15 SP6
2.10.3-150500.5.29.1
fixed
suse enterprise sap 15 SP7
2.12.10-150700.4.3.1
fixed
suse enterprise server 12 SP3
2.9.4-46.87.1
fixed
suse enterprise server 12 SP5
2.9.4-46.87.1
fixed
suse enterprise server 15 SP2
2.9.7-150000.3.82.1
fixed
suse enterprise server 15 SP3
2.9.7-150000.3.82.1
fixed
suse enterprise server 15 SP4
2.9.14-150400.5.44.1
fixed
suse enterprise server 15 SP5
2.10.3-150500.5.29.1
fixed
suse enterprise server 15 SP6
2.10.3-150500.5.29.1
fixed
suse enterprise server 15 SP7
2.12.10-150700.4.3.1
fixed
python-libxml2
suse enterprise server 12 SP3
2.9.4-46.87.1
fixed
suse enterprise server 12 SP5
2.9.4-46.87.1
fixed
python2-libxml2-python
suse enterprise server 15 SP2
2.9.7-150000.3.82.1
fixed
python3-libxml2
suse enterprise desktop 15 SP6
2.10.3-150500.5.29.1
fixed
suse enterprise desktop 15 SP7
2.12.10-150700.4.3.1
fixed
suse enterprise sap 15 SP6
2.10.3-150500.5.29.1
fixed
suse enterprise sap 15 SP7
2.12.10-150700.4.3.1
fixed
suse enterprise server 15 SP4
2.9.14-150400.5.44.1
fixed
suse enterprise server 15 SP5
2.10.3-150500.5.29.1
fixed
suse enterprise server 15 SP6
2.10.3-150500.5.29.1
fixed
suse enterprise server 15 SP7
2.12.10-150700.4.3.1
fixed
python3-libxml2-python
suse enterprise server 15 SP2
2.9.7-150000.3.82.1
fixed
suse enterprise server 15 SP3
2.9.7-150000.3.82.1
fixed
python311-libxml2
suse enterprise server 15 SP4
2.9.14-150400.5.44.1
fixed
suse enterprise server 15 SP5
2.10.3-150500.5.29.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
libxml2
RHEL 8
0:2.9.7-21.el8_10.1
fixed
RHEL 8.2 AUS
0:2.9.7-9.el8_2.3
fixed
RHEL 8.4 AUS
0:2.9.7-9.el8_4.6
fixed
RHEL 8.6 AUS
0:2.9.7-13.el8_6.10
fixed
RHEL 8.6 E4S
0:2.9.7-13.el8_6.10
fixed
RHEL 8.6 TUS
0:2.9.7-13.el8_6.10
fixed
RHEL 8.8 E4S
0:2.9.7-16.el8_8.9
fixed
RHEL 8.8 TUS
0:2.9.7-16.el8_8.9
fixed
RHEL 9
0:2.9.13-10.el9_6
fixed
libxml2-devel
RHEL 8
0:2.9.7-21.el8_10.1
fixed
RHEL 8.2 AUS
0:2.9.7-9.el8_2.3
fixed
RHEL 8.4 AUS
0:2.9.7-9.el8_4.6
fixed
RHEL 8.6 AUS
0:2.9.7-13.el8_6.10
fixed
RHEL 8.6 E4S
0:2.9.7-13.el8_6.10
fixed
RHEL 8.6 TUS
0:2.9.7-13.el8_6.10
fixed
RHEL 8.8 E4S
0:2.9.7-16.el8_8.9
fixed
RHEL 8.8 TUS
0:2.9.7-16.el8_8.9
fixed
RHEL 9
0:2.9.13-10.el9_6
fixed
python3-libxml2
RHEL 8
0:2.9.7-21.el8_10.1
fixed
RHEL 8.2 AUS
0:2.9.7-9.el8_2.3
fixed
RHEL 8.4 AUS
0:2.9.7-9.el8_4.6
fixed
RHEL 8.6 AUS
0:2.9.7-13.el8_6.10
fixed
RHEL 8.6 E4S
0:2.9.7-13.el8_6.10
fixed
RHEL 8.6 TUS
0:2.9.7-13.el8_6.10
fixed
RHEL 8.8 E4S
0:2.9.7-16.el8_8.9
fixed
RHEL 8.8 TUS
0:2.9.7-16.el8_8.9
fixed
RHEL 9
0:2.9.13-10.el9_6
fixed
Common Weakness Enumeration
References
https://access.redhat.com/errata/RHSA-2025:10630
https://access.redhat.com/errata/RHSA-2025:10698
https://access.redhat.com/errata/RHSA-2025:10699
https://access.redhat.com/errata/RHSA-2025:11580
https://access.redhat.com/errata/RHSA-2025:11673
https://access.redhat.com/errata/RHSA-2025:12098
https://access.redhat.com/errata/RHSA-2025:12099
https://access.redhat.com/errata/RHSA-2025:12199
https://access.redhat.com/errata/RHSA-2025:12237
https://access.redhat.com/errata/RHSA-2025:12239
https://access.redhat.com/errata/RHSA-2025:12240
https://access.redhat.com/errata/RHSA-2025:12241
https://access.redhat.com/errata/RHSA-2025:13267
https://access.redhat.com/errata/RHSA-2025:13289
https://access.redhat.com/errata/RHSA-2025:13325
https://access.redhat.com/errata/RHSA-2025:13335
https://access.redhat.com/errata/RHSA-2025:13336
https://access.redhat.com/errata/RHSA-2025:14059
https://access.redhat.com/errata/RHSA-2025:14396
https://access.redhat.com/errata/RHSA-2025:15308
https://access.redhat.com/errata/RHSA-2025:15672
https://access.redhat.com/errata/RHSA-2025:19020
https://access.redhat.com/errata/RHSA-2026:7519
https://access.redhat.com/security/cve/CVE-2025-6021
https://bugzilla.redhat.com/show_bug.cgi?id=2372406
https://gitlab.gnome.org/GNOME/libxml2/-/issues/926
https://lists.debian.org/debian-lts-announce/2025/07/msg00014.html
https://cert-portal.siemens.com/productcert/html/ssa-032379.html
https://gitlab.gnome.org/GNOME/libxml2/-/issues/926