Wireshark 4.6.0 BPv7 Dissector uninitialized pointer

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Wireshark 4.6.0. It has been rated as problematic. This affects an unknown part of the component BPv7 Dissector. The manipulation leads to uninitialized pointer. This vulnerability is traded as CVE-2025-13674. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Wireshark 4.6.0 and classified as problematic. This issue affects an unknown function of the component BPv7 Dissector. The manipulation with an unknown input leads to a uninitialized pointer vulnerability. Using CWE to declare the problem leads to CWE-824. The product accesses or uses a pointer that has not been initialized. Impacted is availability. The summary by CVE is:

BPv7 dissector crash in Wireshark 4.6.0 allows denial of service

It is possible to read the advisory at wireshark.org. The identification of this vulnerability is CVE-2025-13674 since 11/25/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 276971 (Linux Distros Unpatched Vulnerability : CVE-2025-13674), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.6.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (276971), EUVD (EUVD-2025-199716) and CERT Bund (WID-SEC-2025-2643). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Red Hat Enterprise Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • RESF Rocky Linux
  • Open Source Wireshark

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (GitLab): 🔒

CVSSv2info

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

Exploitinginfo

Class: Uninitialized pointer
CWE: CWE-824 / CWE-908
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 276971
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-13674

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Wireshark 4.6.1

Timelineinfo

11/25/2025 CVE reserved
11/26/2025 +1 days Advisory disclosed
11/26/2025 +0 days VulDB entry created
05/07/2026 +162 days VulDB entry last update

Sourcesinfo

Product: wireshark.org

Advisory: 20770
Status: Confirmed

CVE: CVE-2025-13674 (🔒)
GCVE (CVE): GCVE-0-2025-13674
GCVE (VulDB): GCVE-100-333599
EUVD: 🔒
CERT Bund: WID-SEC-2025-2643 - Wireshark: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 11/26/2025 14:58
Updated: 05/07/2026 13:56
Changes: 11/26/2025 14:58 (62), 11/26/2025 15:03 (1), 12/02/2025 16:46 (2), 12/11/2025 11:18 (7), 12/12/2025 22:49 (1), 01/12/2026 12:32 (1), 05/07/2026 13:52 (1), 05/07/2026 13:53 (1), 05/07/2026 13:56 (4)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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