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CVE-2025-7425— Libxslt: libxml2: heap use-after-free in libxslt caused by atype corruption in xmlattrptr

Quick assessment

Affected
GNOME libxml2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Libxslt是Libxslt开源的一个为 GNOME 项目开发的 XSLT C 库。 Libxslt存在安全漏洞，该漏洞源于属性类型atype和标志修改不当，可能导致内存管理损坏和堆损坏。

CVSS 7.8 · High EPSS 0.44% · P37

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 58

VendorProduct Version RangeStatus
GNOME libxml2 < 2.15.2 affected
Red Hat cert-manager operator for Red Hat OpenShift 1.16 v1.16.5-1760515757< * unaffected
Red Hat Compliance Operator 1 1.8.0< * unaffected
1.8.0< * unaffected
1.8.0< * unaffected
Red Hat OpenShift File Integrity Operator - FIO 1 v1.3< * unaffected
Red Hat Red Hat Discovery 2 2.0.1-1754478727< * unaffected
Red Hat Red Hat Enterprise Linux 10 0:1.1.39-8.el10_0< * unaffected
Red Hat Red Hat Enterprise Linux 6 any unknown
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support 0:2.9.1-6.el7_9.12< * unaffected
Red Hat Red Hat Enterprise Linux 8 0:2.9.7-21.el8_10.2< * unaffected
0:2.9.7-21.el8_10.2< * unaffected
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support 0:2.9.7-9.el8_2.4< * unaffected
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:2.9.7-9.el8_4.7< * unaffected
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 0:2.9.7-9.el8_4.7< * unaffected
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:2.9.7-13.el8_6.11< * unaffected
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service 0:2.9.7-13.el8_6.11< * unaffected
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions 0:2.9.7-13.el8_6.11< * unaffected
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service 0:2.9.7-16.el8_8.10< * unaffected
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:2.9.7-16.el8_8.10< * unaffected
Red Hat Red Hat Enterprise Linux 9 0:2.9.13-11.el9_6< * unaffected
0:2.9.13-11.el9_6< * unaffected
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions 0:2.9.13-1.el9_0.6< * unaffected
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:2.9.13-3.el9_2.8< * unaffected
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support 0:2.9.13-11.el9_4< * unaffected
Red Hat Red Hat Hardened Images 2.15.3-0.1.hum1< * unaffected
Red Hat Red Hat Insights proxy 1.5 1.5.5-1754504343< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.12 412.86.202509030110-0< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.13 413.92.202509030117-0< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.14 414.92.202508270040-0< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.15 415.92.202508192014-0< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.16 416.94.202508261955-0< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.17 417.94.202508141510-0< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.18 418.94.202508261658-0< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.19 4.19.9.6.202508271124-0< * unaffected
Red Hat Red Hat OpenShift distributed tracing 3.5.3 rhosdt-3.5-1754559657< * unaffected
rhosdt-3.5-1754559845< * unaffected
rhosdt-3.5-1754559691< * unaffected
rhosdt-3.5-1754559660< * unaffected
rhosdt-3.5-1754559663< * unaffected
rhosdt-3.5-1754559657< * unaffected
rhosdt-3.5-1754569861< * unaffected
rhosdt-3.5-1754559846< * unaffected
… +1 more rows
Red Hat Red Hat Web Terminal 1.11 on RHEL 9 1.11-19< * unaffected
1.11-8< * unaffected
Red Hat Red Hat Web Terminal 1.12 on RHEL 9 1.12-4< * unaffected
Red Hat RHOSS-1.36-RHEL-8 1.36.0-11< * unaffected
1.36.0-11< * unaffected
1.36.0-11< * unaffected
1.36.0-10< * unaffected
1.36.0-10< * unaffected
1.36.0-4< * unaffected
1.36.0-9< * unaffected
1.36.0-12< * unaffected
… +3 more rows
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I. Basic Information for CVE-2025-7425

Vulnerability Information
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Vulnerability Title
Libxslt: libxml2: heap use-after-free in libxslt caused by atype corruption in xmlattrptr
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Libxslt 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Libxslt是Libxslt开源的一个为 GNOME 项目开发的 XSLT C 库。 Libxslt存在安全漏洞，该漏洞源于属性类型atype和标志修改不当，可能导致内存管理损坏和堆损坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
GNOME libxml2 0 ~ 2.15.2 -
Red Hat Red Hat Enterprise Linux 10 0:1.1.39-8.el10_0 ~ * cpe:/o:redhat:enterprise_linux:10.0
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support 0:2.9.1-6.el7_9.12 ~ * cpe:/o:redhat:rhel_els:7
Red Hat Red Hat Enterprise Linux 8 0:2.9.7-21.el8_10.2 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat Red Hat Enterprise Linux 8 0:2.9.7-21.el8_10.2 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support 0:2.9.7-9.el8_2.4 ~ * cpe:/a:redhat:rhel_aus:8.2::appstream
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:2.9.7-9.el8_4.7 ~ * cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 0:2.9.7-9.el8_4.7 ~ * cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:2.9.7-13.el8_6.11 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service 0:2.9.7-13.el8_6.11 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions 0:2.9.7-13.el8_6.11 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service 0:2.9.7-16.el8_8.10 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:2.9.7-16.el8_8.10 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat Red Hat Enterprise Linux 9 0:2.9.13-11.el9_6 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9 0:2.9.13-11.el9_6 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions 0:2.9.13-1.el9_0.6 ~ * cpe:/a:redhat:rhel_e4s:9.0::appstream
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:2.9.13-3.el9_2.8 ~ * cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support 0:2.9.13-11.el9_4 ~ * cpe:/a:redhat:rhel_eus:9.4::appstream
Red Hat Red Hat OpenShift Container Platform 4.12 412.86.202509030110-0 ~ * cpe:/a:redhat:openshift:4.12::el8
Red Hat Red Hat OpenShift Container Platform 4.13 413.92.202509030117-0 ~ * cpe:/a:redhat:openshift:4.13::el9
Red Hat Red Hat OpenShift Container Platform 4.14 414.92.202508270040-0 ~ * cpe:/a:redhat:openshift:4.14::el9
Red Hat Red Hat OpenShift Container Platform 4.15 415.92.202508192014-0 ~ * cpe:/a:redhat:openshift:4.15::el9
Red Hat Red Hat OpenShift Container Platform 4.16 416.94.202508261955-0 ~ * cpe:/a:redhat:openshift:4.16::el9
Red Hat Red Hat OpenShift Container Platform 4.17 417.94.202508141510-0 ~ * cpe:/a:redhat:openshift:4.17::el9
Red Hat Red Hat OpenShift Container Platform 4.18 418.94.202508261658-0 ~ * cpe:/a:redhat:openshift:4.18::el9
Red Hat Red Hat OpenShift Container Platform 4.19 4.19.9.6.202508271124-0 ~ * cpe:/a:redhat:openshift:4.19::el9
Red Hat Red Hat Web Terminal 1.11 on RHEL 9 1.11-19 ~ * cpe:/a:redhat:webterminal:1.11::el9
Red Hat Red Hat Web Terminal 1.11 on RHEL 9 1.11-8 ~ * cpe:/a:redhat:webterminal:1.11::el9
Red Hat Red Hat Web Terminal 1.12 on RHEL 9 1.12-4 ~ * cpe:/a:redhat:webterminal:1.12::el9
Red Hat RHOSS-1.36-RHEL-8 1.36.0-11 ~ * cpe:/a:redhat:openshift_serverless:1.36::el8

II. Public POCs for CVE-2025-7425

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2025-7425

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Vendor Advisories for CVE-2025-7425 (11)

IV. Related Vulnerabilities

Same product: libxml2
Same vendor: GNOME
Same weakness: CWE-416

V. Comments for CVE-2025-7425

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