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High 7.5Published Nov 25, 2025

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

Updated under an hour ago ()

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It affects The WebKitGTK Team webkitgtk and 7 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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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.

CVSS
7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-125
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
redhat
NVD analysis
Deferred
Record last updated
Jun 29, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
The WebKitGTK Team webkitgtk
webkitgtk_team:webkitgtk (from the name)
before 2.50.2
CNA record
from 0:2.50.3-2.el7_9 not affected
CNA record
Red Hat Red Hat Enterprise Linux 8
redhat:enterprise_linux
from 0:2.50.3-1.el8_10 not affected
CNA record
from 0:2.50.3-2.el8_2 not affected
CNA record
from 0:2.50.3-2.el8_4 not affected
CNA record
from 0:2.50.3-2.el8_6 not affected
CNA record
from 0:2.50.3-2.el8_6 not affected
CNA record
from 0:2.50.3-1.el9_4 not affected
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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