CVE-2025-13502

HIGH
MEDIUM Priority: 0.05 BB Relevance: 75/100
Published: 2025-11-25 Modified: 2026-11-04 First seen: 2026-11-04 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: None
A: High

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.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
The WebKitGTK Team webkitgtk 0 < 2.50.2

References & Advisories (14)

https://access.redhat.com/errata/RHSA-2025:22789
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:22790
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23110
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23433
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23434
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23451
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23452
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23583
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23591
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23742
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:23743
vendor-advisory x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2416300
issue-tracking x_refsource_REDHAT

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.62%
Raw Score 0.006200
Percentile 50.0%
Date 2026-11-08

EPSS Trend

2026-11-08
0.00620
2026-11-07
0.00620
2026-11-06
0.00620
2026-11-05
0.00620
2026-11-04
0.00620

Intelligence Sources

mitre ref →
nvd ref →