CVE-2025-6021— Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2
I. Basic Information for CVE-2025-6021
Vulnerability Information
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Vulnerability Title
Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
libxml2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libxml2是GNOME开源的一个用来解析XML文档的函数库。它用C语言写成，并且能为多种语言所调用，例如C语言，C++，XSH。 libxml2存在安全漏洞，该漏洞源于xmlBuildQName函数中缓冲区大小计算的整数溢出可能导致栈缓冲区溢出，可能导致内存损坏或拒绝服务。
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 |
|---|---|---|---|---|
| - | - | 0 ~ 2.14.4 | - | |
| Red Hat | Red Hat Enterprise Linux 10 | 0:2.12.5-7.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_9.10 ~ * | cpe:/o:redhat:rhel_els:7 | |
| Red Hat | Red Hat Enterprise Linux 8 | 0:2.9.7-21.el8_10.1 ~ * | cpe:/a:redhat:enterprise_linux:8::appstream | |
| Red Hat | Red Hat Enterprise Linux 8 | 0:2.9.7-21.el8_10.1 ~ * | cpe:/a:redhat:enterprise_linux:8::appstream | |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | 0:2.9.7-9.el8_2.3 ~ * | cpe:/o:redhat:rhel_aus:8.2::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:2.9.7-9.el8_4.6 ~ * | cpe:/o:redhat:rhel_eus_long_life:8.4::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | 0:2.9.7-9.el8_4.6 ~ * | cpe:/o:redhat:rhel_eus_long_life:8.4::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | 0:2.9.7-13.el8_6.10 ~ * | cpe:/a:redhat:rhel_tus:8.6::appstream | |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | 0:2.9.7-13.el8_6.10 ~ * | cpe:/a:redhat:rhel_tus:8.6::appstream | |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | 0:2.9.7-13.el8_6.10 ~ * | cpe:/a:redhat:rhel_tus:8.6::appstream | |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | 0:2.9.7-16.el8_8.9 ~ * | cpe:/o:redhat:rhel_tus:8.8::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | 0:2.9.7-16.el8_8.9 ~ * | cpe:/o:redhat:rhel_tus:8.8::baseos | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:2.9.13-10.el9_6 ~ * | cpe:/o:redhat:enterprise_linux:9::baseos | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:2.9.13-10.el9_6 ~ * | cpe:/o:redhat:enterprise_linux:9::baseos | |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | 0:2.9.13-1.el9_0.5 ~ * | 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_2.7 ~ * | cpe:/o:redhat:rhel_e4s:9.2::baseos | |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | 0:2.9.13-10.el9_4 ~ * | cpe:/a:redhat:rhel_eus:9.4::appstream | |
| Red Hat | Red Hat JBoss Core Services 2.4.62.SP2 | - | cpe:/a:redhat:jboss_core_services:1 | |
| 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 | 414.92.202508041909-0 ~ * | cpe:/a:redhat:openshift:4.14::el8 | |
| 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 | 416.94.202508050040-0 ~ * | 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 | 418.94.202508060022-0 ~ * | cpe:/a:redhat:openshift:4.18::el9 | |
| Red Hat | Red Hat OpenShift Container Platform 4.19 | 4.19.9.6.202507230107-0 ~ * | cpe:/a:redhat:openshift:4.19::el9 | |
| Red Hat | Red Hat Discovery 2 | sha256:ad07f55ee75fb20310c88f154a04665bd8465d138d66c665c300f61447858344 ~ * | cpe:/a:redhat:discovery:2::el9 | |
| Red Hat | Red Hat Hardened Images | 2.15.2-0.3.hum1 ~ * | cpe:/a:redhat:hummingbird:1 | |
| Red Hat | Red Hat Insights proxy 1.5 | sha256:c26d589f12647890b67aaa986f54d3f7c6f7f2563fb5a73f38d559e6138739d7 ~ * | cpe:/a:redhat:insights_proxy:1.5::el9 | |
| Red Hat | Red Hat Enterprise Linux 6 | - | cpe:/o:redhat:enterprise_linux:6 |
II. Public POCs for CVE-2025-6021
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|---|
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IV. Related Vulnerabilities
V. Comments for CVE-2025-6021
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