CVE-2025-7425
Libxslt: heap use-after-free in libxslt caused by atype corruption in xmlattrptr
CVSS Score
7.8
EPSS Score
0.1%
EPSS Percentile
19th
A flaw was found in libxslt where the attribute type, atype, flags are modified in a way that corrupts internal memory management. When XSLT functions, such as the key() process, result in tree fragments, this corruption prevents the proper cleanup of ID attributes. As a result, the system may access freed memory, causing crashes or enabling attackers to trigger heap corruption.
| CWE | CWE-416 |
| Vendor | gnome |
| Product | libxml2 |
| Published | Jul 10, 2025 |
| Last Updated | Apr 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
High
Availability
High
Affected Versions
GNOME / libxml2
0 < 2.15.2
Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 7 Extended Lifecycle Support
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8.2 Advanced Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Telecommunications Update Service
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Service
All versions affected Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 9.4 Extended Update Support
All versions affected Red Hat / Red Hat OpenShift Container Platform 4.12
All versions affected Red Hat / Red Hat OpenShift Container Platform 4.13
All versions affected Red Hat / Red Hat OpenShift Container Platform 4.14
All versions affected Red Hat / Red Hat OpenShift Container Platform 4.15
All versions affected Red Hat / Red Hat OpenShift Container Platform 4.16
All versions affected Red Hat / Red Hat OpenShift Container Platform 4.17
All versions affected Red Hat / Red Hat OpenShift Container Platform 4.18
All versions affected Red Hat / Red Hat OpenShift Container Platform 4.19
All versions affected Red Hat / Red Hat Web Terminal 1.11 on RHEL 9
All versions affected Red Hat / Red Hat Web Terminal 1.11 on RHEL 9
All versions affected Red Hat / Red Hat Web Terminal 1.12 on RHEL 9
All versions affected Red Hat / RHOSS-1.36-RHEL-8
All versions affected Red Hat / RHOSS-1.36-RHEL-8
All versions affected Red Hat / RHOSS-1.36-RHEL-8
All versions affected Red Hat / RHOSS-1.36-RHEL-8
All versions affected Red Hat / RHOSS-1.36-RHEL-8
All versions affected Red Hat / RHOSS-1.36-RHEL-8
All versions affected Red Hat / RHOSS-1.36-RHEL-8
All versions affected Red Hat / RHOSS-1.36-RHEL-8
All versions affected Red Hat / RHOSS-1.36-RHEL-8
All versions affected Red Hat / RHOSS-1.36-RHEL-8
All versions affected Red Hat / cert-manager operator for Red Hat OpenShift 1.16
All versions affected Red Hat / Compliance Operator 1
All versions affected Red Hat / Compliance Operator 1
All versions affected Red Hat / Compliance Operator 1
All versions affected Red Hat / File Integrity Operator 1
All versions affected Red Hat / Red Hat Discovery 2
All versions affected Red Hat / Red Hat Insights proxy 1.5
All versions affected Red Hat / Red Hat OpenShift distributed tracing 3.5.1
All versions affected Red Hat / Red Hat OpenShift distributed tracing 3.5.1
All versions affected Red Hat / Red Hat OpenShift distributed tracing 3.5.1
All versions affected Red Hat / Red Hat OpenShift distributed tracing 3.5.1
All versions affected Red Hat / Red Hat OpenShift distributed tracing 3.5.1
All versions affected Red Hat / Red Hat OpenShift distributed tracing 3.5.1
All versions affected Red Hat / Red Hat OpenShift distributed tracing 3.5.1
All versions affected Red Hat / Red Hat OpenShift distributed tracing 3.5.1
All versions affected Red Hat / Red Hat OpenShift distributed tracing 3.5.1
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Hardened Images
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHBA-2025:12345 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:12447 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:12450 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:13267 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:13308 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:13309 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:13310 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:13311 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:13312 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:13313 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:13314 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:13335 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:13464 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:13622 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-2025:14818 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:14819 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:14853 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:14858 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-2025:15827 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:15828 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:18219 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:21885 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:21913 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:0934 access.redhat.com: https://access.redhat.com/security/cve/CVE-2025-7425 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2379274 gitlab.gnome.org: https://gitlab.gnome.org/GNOME/libxslt/-/issues/140 lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/09/msg00035.html seclists.org: http://seclists.org/fulldisclosure/2025/Aug/0 seclists.org: http://seclists.org/fulldisclosure/2025/Jul/37 seclists.org: http://seclists.org/fulldisclosure/2025/Jul/35 seclists.org: http://seclists.org/fulldisclosure/2025/Jul/32 seclists.org: http://seclists.org/fulldisclosure/2025/Jul/30 openwall.com: http://www.openwall.com/lists/oss-security/2025/07/11/2
Credits
Red Hat would like to thank Sergei Glazunov (Google Project Zero) for reporting this issue.