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Vulnerability · Published Nov 25, 2025 · Assigned by redhat

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

High 7.5

In plain English

A high-severity out-of-bounds read in Red Hat Enterprise Linux 6 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 50.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8webkit2gtk32.50.3-1.el8_10ALSA-2025:22789
AlmaLinux:9webkit2gtk32.50.3-1.el9_7ALSA-2025:22790
AlmaLinux:8webkit2gtk3-devel2.50.3-1.el8_10ALSA-2025:22789
AlmaLinux:9webkit2gtk3-devel2.50.3-1.el9_7ALSA-2025:22790
AlmaLinux:8webkit2gtk3-jsc2.50.3-1.el8_10ALSA-2025:22789
AlmaLinux:9webkit2gtk3-jsc2.50.3-1.el9_7ALSA-2025:22790
AlmaLinux:8webkit2gtk3-jsc-devel2.50.3-1.el8_10ALSA-2025:22789
AlmaLinux:9webkit2gtk3-jsc-devel2.50.3-1.el9_7ALSA-2025:22790
Debian:12webkit2gtk2.50.2-1~deb12u1DSA-6070-1
Debian:12webkit2gtk2.50.2-1~deb12u1DEBIAN-CVE-2025-13502
Debian:13webkit2gtk2.50.2-1~deb13u1DSA-6070-1
Debian:13webkit2gtk2.50.2-1~deb13u1DEBIAN-CVE-2025-13502
Debian:14webkit2gtk2.50.2-1DEBIAN-CVE-2025-13502
Debian:12wpewebkitno fix listedDEBIAN-CVE-2025-13502
Debian:13wpewebkitno fix listedDEBIAN-CVE-2025-13502
Debian:14wpewebkit2.50.2-1DEBIAN-CVE-2025-13502
Rocky Linux:8webkit2gtk30:2.50.3-1.el8_10RLSA-2025:22789
Rocky Linux:9webkit2gtk30:2.50.3-1.el9_7RLSA-2025:22790
Ubuntu:22.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2025-13502
Ubuntu:24.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2025-13502
Ubuntu:22.04:LTSwebkit2gtk2.50.2-0ubuntu0.22.04.2UBUNTU-CVE-2025-13502
Ubuntu:24.04:LTSwebkit2gtk2.50.2-0ubuntu0.24.04.2UBUNTU-CVE-2025-13502
Ubuntu:25.10webkit2gtk2.50.2-0ubuntu0.25.10.2UBUNTU-CVE-2025-13502
Ubuntu:22.04:LTSwpewebkitno fix listedUBUNTU-CVE-2025-13502

Affected products (as reported)

VendorProductVersions
The WebKitGTK Team webkitgtk 0 – before 2.50.2
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support see references
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support see references
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On see references
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support see references
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service see references
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service see references
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 6 see references
Red Hat Red Hat Enterprise Linux 7 see references

Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References