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CVE-2025-13502— Webkit: webkitgtk / wpe webkit: out-of-bounds read and integer underflow vulnerability leading to dos

Quick assessment

Affected
The WebKitGTK Team webkitgtk
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.

WebKit是一个快速、开源的 网络浏览器引擎。 WebKit存在安全漏洞，该漏洞源于越界读取和整数下溢，可能导致拒绝服务。

CVSS 7.5 · High EPSS 0.58% · P46

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 18

VendorProduct Version RangeStatus
Red Hat Red Hat Enterprise Linux 6 any unknown
Red Hat Red Hat Enterprise Linux 7 any affected
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support 0:2.50.3-2.el7_9< * unaffected
Red Hat Red Hat Enterprise Linux 8 0:2.50.3-1.el8_10< * unaffected
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support 0:2.50.3-2.el8_2< * unaffected
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:2.50.3-2.el8_4< * unaffected
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 0:2.50.3-2.el8_4< * unaffected
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:2.50.3-2.el8_6< * unaffected
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service 0:2.50.3-2.el8_6< * unaffected
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions 0:2.50.3-2.el8_6< * unaffected
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service 0:2.50.3-2.el8_8< * unaffected
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:2.50.3-2.el8_8< * unaffected
Red Hat Red Hat Enterprise Linux 9 0:2.50.3-1.el9_7< * unaffected
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions 0:2.50.3-1.el9_0< * unaffected
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:2.50.3-1.el9_2< * unaffected
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support 0:2.50.3-1.el9_4< * unaffected
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support 0:2.50.3-1.el9_6< * unaffected
The WebKitGTK Team webkitgtk < 2.50.2 affected
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I. Basic Information for CVE-2025-13502

Vulnerability Information
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Vulnerability Title
Webkit: webkitgtk / wpe webkit: out-of-bounds read and integer underflow vulnerability leading to dos
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in WebKitGTK and WPE WebKit. This vulnerability allows an out-of-bounds read and integer underflow, leading to a UIProcess crash (DoS) via a crafted payload to the GLib remote inspector server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
WebKit 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WebKit是一个快速、开源的 网络浏览器引擎。 WebKit存在安全漏洞，该漏洞源于越界读取和整数下溢，可能导致拒绝服务。
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
The WebKitGTK Team webkitgtk 0 ~ 2.50.2 -
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support 0:2.50.3-2.el7_9 ~ * cpe:/o:redhat:rhel_els:7
Red Hat Red Hat Enterprise Linux 8 0:2.50.3-1.el8_10 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support 0:2.50.3-2.el8_2 ~ * cpe:/a:redhat:rhel_aus:8.2::appstream
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:2.50.3-2.el8_4 ~ * cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 0:2.50.3-2.el8_4 ~ * cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:2.50.3-2.el8_6 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service 0:2.50.3-2.el8_6 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions 0:2.50.3-2.el8_6 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service 0:2.50.3-2.el8_8 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:2.50.3-2.el8_8 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat Red Hat Enterprise Linux 9 0:2.50.3-1.el9_7 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions 0:2.50.3-1.el9_0 ~ * cpe:/a:redhat:rhel_e4s:9.0::appstream
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:2.50.3-1.el9_2 ~ * cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support 0:2.50.3-1.el9_4 ~ * cpe:/a:redhat:rhel_eus:9.4::appstream
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support 0:2.50.3-1.el9_6 ~ * cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7

II. Public POCs for CVE-2025-13502

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III. Intelligence Information for CVE-2025-13502

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Vendor Advisories for CVE-2025-13502 (13)

IV. Related Vulnerabilities

Same product: webkitgtk
Same vendor: The WebKitGTK Team
Same weakness: CWE-125

V. Comments for CVE-2025-13502

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