WebKitGTK/WPE WebKit GLib Remote Inspector Server integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in WebKitGTK and WPE WebKit and classified as problematic. This affects an unknown function of the component GLib Remote Inspector Server. Executing a manipulation can lead to integer overflow. The identification of this vulnerability is CVE-2025-13502. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in WebKitGTK and WPE WebKit (the affected version is unknown). It has been declared as problematic. This vulnerability affects an unknown code of the component GLib Remote Inspector Server. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect availability. CVE summarizes:

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.

The advisory is shared for download at access.redhat.com. This vulnerability was named CVE-2025-13502 since 11/21/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/25/2026).

The vulnerability scanner Nessus provides a plugin with the ID 276745 (Linux Distros Unpatched Vulnerability : CVE-2025-13502), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (276745), EUVD (EUVD-2025-199556) and CERT Bund (WID-SEC-2025-2751). Once again VulDB remains the best source for vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Fedora Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • RESF Rocky Linux
  • Open Source WebKitGTK

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (redhat): 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 276745
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-13502

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/21/2025 CVE reserved
11/25/2025 +4 days Advisory disclosed
11/25/2025 +0 days VulDB entry created
01/25/2026 +61 days VulDB entry last update

Sourcesinfo

Advisory: access.redhat.com
Status: Not defined

CVE: CVE-2025-13502 (🔒)
GCVE (CVE): GCVE-0-2025-13502
GCVE (VulDB): GCVE-100-333484
EUVD: 🔒
CERT Bund: WID-SEC-2025-2751 - WebKitGTK: Mehrere Schwachstellen

Entryinfo

Created: 11/25/2025 09:23
Updated: 01/25/2026 03:30
Changes: 11/25/2025 09:23 (60), 11/26/2025 15:03 (1), 11/29/2025 05:55 (2), 12/08/2025 08:48 (7), 12/11/2025 05:57 (1), 12/18/2025 16:01 (1), 01/25/2026 03:30 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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