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一、 漏洞 CVE-2025-49794 基础信息
漏洞信息
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Vulnerability Title
Libxml: heap use after free (uaf) leads to denial of service (dos)
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the <sch:name path="..."/> schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the program's crash using libxml or other possible undefined behaviors.
来源: 美国国家漏洞数据库 NVD
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
无效指针解引用
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
libxml2 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
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，该漏洞源于解析XPath元素时存在释放后重用问题，可能导致程序崩溃或未定义行为。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
厂商产品影响版本CPE订阅
-- 0 ~ 2.15.0 -
Red HatRed Hat Enterprise Linux 10 0:2.12.5-7.el10_0 ~ * cpe:/o:redhat:enterprise_linux:10.0
Red HatRed Hat Enterprise Linux 7 Extended Lifecycle Support 0:2.9.1-6.el7_9.10 ~ * cpe:/o:redhat:rhel_els:7
Red HatRed Hat Enterprise Linux 8 0:2.9.7-21.el8_10.1 ~ * cpe:/o:redhat:enterprise_linux:8::baseos
Red HatRed Hat Enterprise Linux 8 0:2.9.7-21.el8_10.1 ~ * cpe:/o:redhat:enterprise_linux:8::baseos
Red HatRed 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 HatRed 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 HatRed 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 HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:2.9.7-13.el8_6.10 ~ * cpe:/o:redhat:rhel_tus:8.6::baseos
Red HatRed Hat Enterprise Linux 8.6 Telecommunications Update Service 0:2.9.7-13.el8_6.10 ~ * cpe:/o:redhat:rhel_tus:8.6::baseos
Red HatRed Hat Enterprise Linux 8.6 Update Services for SAP Solutions 0:2.9.7-13.el8_6.10 ~ * cpe:/o:redhat:rhel_tus:8.6::baseos
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service 0:2.9.7-16.el8_8.9 ~ * cpe:/a:redhat:rhel_tus:8.8::appstream
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:2.9.7-16.el8_8.9 ~ * cpe:/a:redhat:rhel_tus:8.8::appstream
Red HatRed Hat Enterprise Linux 9 0:2.9.13-10.el9_6 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red HatRed Hat Enterprise Linux 9 0:2.9.13-10.el9_6 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red HatRed 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 HatRed 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 HatRed Hat Enterprise Linux 9.4 Extended Update Support 0:2.9.13-10.el9_4 ~ * cpe:/a:redhat:rhel_eus:9.4::appstream
Red HatRed Hat JBoss Core Services 2.4.62.SP2-cpe:/a:redhat:jboss_core_services:1
Red HatRed Hat OpenShift Container Platform 4.12 412.86.202510291903-0 ~ * cpe:/a:redhat:openshift:4.12::el8
Red HatRed Hat OpenShift Container Platform 4.13 413.92.202510150118-0 ~ * cpe:/a:redhat:openshift:4.13::el9
Red HatRed Hat OpenShift Container Platform 4.14 414.92.202510211419-0 ~ * cpe:/a:redhat:openshift:4.14::el9
Red HatRed Hat OpenShift Container Platform 4.17 417.94.202510112152-0 ~ * cpe:/a:redhat:openshift:4.17::el9
Red HatRed Hat OpenShift Container Platform 4.18 418.94.202510230424-0 ~ * cpe:/a:redhat:openshift:4.18::el9
Red HatRed Hat OpenShift Container Platform 4.19 4.19.9.6.202510140714-0 ~ * cpe:/a:redhat:openshift:4.19::el9
Red HatRed Hat OpenShift Container Platform 4.20 4.20.9.6.202509251656-0 ~ * cpe:/a:redhat:openshift:4.20::el9
Red HatRed Hat Web Terminal 1.11 on RHEL 9 1.11-19 ~ * cpe:/a:redhat:webterminal:1.11::el9
Red HatRed Hat Web Terminal 1.11 on RHEL 9 1.11-8 ~ * cpe:/a:redhat:webterminal:1.11::el9
Red HatRed Hat Web Terminal 1.12 on RHEL 9 1.12-4 ~ * cpe:/a:redhat:webterminal:1.12::el9
Red HatRHOSS-1.36-RHEL-8 1.36.0-11 ~ * cpe:/a:redhat:openshift_serverless:1.36::el8
Red HatRHOSS-1.36-RHEL-8 1.36.0-11 ~ * cpe:/a:redhat:openshift_serverless:1.36::el8
Red HatRHOSS-1.36-RHEL-8 1.36.0-11 ~ * cpe:/a:redhat:openshift_serverless:1.36::el8
Red HatRHOSS-1.36-RHEL-8 1.36.0-10 ~ * cpe:/a:redhat:openshift_serverless:1.36::el8
Red HatRHOSS-1.36-RHEL-8 1.36.0-10 ~ * cpe:/a:redhat:openshift_serverless:1.36::el8
Red HatRHOSS-1.36-RHEL-8 1.36.0-4 ~ * cpe:/a:redhat:openshift_serverless:1.36::el8
Red HatRHOSS-1.36-RHEL-8 1.36.0-9 ~ * cpe:/a:redhat:openshift_serverless:1.36::el8
Red HatRHOSS-1.36-RHEL-8 1.36.0-18 ~ * cpe:/a:redhat:openshift_serverless:1.36::el8
Red HatRHOSS-1.36-RHEL-8 1.36.0-11 ~ * cpe:/a:redhat:openshift_serverless:1.36::el8
Red HatRHOSS-1.36-RHEL-8 1.36.0-7 ~ * cpe:/a:redhat:openshift_serverless:1.36::el8
Red Hatcert-manager operator for Red Hat OpenShift 1.16 sha256:1abdfac084e7c86e7a93a19e5cf6b54db79b903bfb7474a42200f753b29eda4b ~ * cpe:/a:redhat:cert_manager:1.16::el9
Red HatFile Integrity Operator 1 sha256:364d11af112a5b1d3f28c9ea8b7aac678e111b9c7fca0516d61036904f318605 ~ * cpe:/a:redhat:openshift_file_integrity_operator:1::el9
Red HatRed Hat Hardened Images 2.15.2-0.3.hum1 ~ * cpe:/a:redhat:hummingbird:1
Red HatRed Hat Insights proxy 1.5 sha256:c26d589f12647890b67aaa986f54d3f7c6f7f2563fb5a73f38d559e6138739d7 ~ * cpe:/a:redhat:insights_proxy:1.5::el9
Red HatRed Hat Enterprise Linux 6-cpe:/o:redhat:enterprise_linux:6
二、漏洞 CVE-2025-49794 的公开POC
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三、漏洞 CVE-2025-49794 的情报信息
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四、漏洞 CVE-2025-49794 的评论

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