Out-of-bounds Read in The Webkitgtk Team
CVE-2025-13502
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: -0.000
Affected products
- The Webkitgtk Team — versions 0
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 7 Extended Lifecycle Support — versions 0:2.50.3-2.el7_9
- Red Hat Enterprise Linux 8 — versions 0:2.50.3-1.el8_10
- Red Hat Enterprise Linux 8.2 Advanced Update Support — versions 0:2.50.3-2.el8_2
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support — versions 0:2.50.3-2.el8_4
- Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On — versions 0:2.50.3-2.el8_4
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support — versions 0:2.50.3-2.el8_6
- Red Hat Enterprise Linux 8.6 Telecommunications Update Service — versions 0:2.50.3-2.el8_6
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2025:22789 (vendor-advisory)
- access.redhat.com/errata/RHSA-2025:22790 (vendor-advisory)
- access.redhat.com/errata/RHSA-2025:23110 (vendor-advisory)
- access.redhat.com/errata/RHSA-2025:23433 (vendor-advisory)
- access.redhat.com/errata/RHSA-2025:23434 (vendor-advisory)
- access.redhat.com/errata/RHSA-2025:23451 (vendor-advisory)
- access.redhat.com/errata/RHSA-2025:23452 (vendor-advisory)
- access.redhat.com/errata/RHSA-2025:23583 (vendor-advisory)
- access.redhat.com/errata/RHSA-2025:23591 (vendor-advisory)
- access.redhat.com/errata/RHSA-2025:23742 (vendor-advisory)
Frequently asked questions
- What is CVE-2025-13502?
- CVE-2025-13502 is a high-severity vulnerability in The Webkitgtk Team, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2025-11-25.
- How severe is CVE-2025-13502?
- High severity. CVSS v3 base score is 7.5 out of 10.