CVE-2026-6525
NULL Pointer Dereference in Wireshark
Description
IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.4
INFO
Published Date :
May 2, 2026, 12:16 p.m.
Last Modified :
May 5, 2026, 3:42 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | ceab7361-8a18-47b1-92ba-4d7d25f6715a | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update Wireshark to a version later than 4.6.4.
- Apply security patches for Wireshark.
- Recompile Wireshark if using from source.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-6525.
| URL | Resource |
|---|---|
| https://gitlab.com/wireshark/wireshark/-/work_items/21008 | Exploit Issue Tracking Patch |
| https://www.wireshark.org/security/wnpa-sec-2026-36.html | Vendor Advisory |
| https://gitlab.com/wireshark/wireshark/-/work_items/21008 | Exploit Issue Tracking Patch |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-6525 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-6525
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-6525 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-6525 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
May. 05, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* versions from (including) 4.6.0 up to (excluding) 4.6.5 Added Reference Type CISA-ADP: https://gitlab.com/wireshark/wireshark/-/work_items/21008 Types: Exploit, Issue Tracking, Patch Added Reference Type GitLab Inc.: https://gitlab.com/wireshark/wireshark/-/work_items/21008 Types: Exploit, Issue Tracking, Patch Added Reference Type GitLab Inc.: https://www.wireshark.org/security/wnpa-sec-2026-36.html Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
May. 04, 2026
Action Type Old Value New Value Added Reference https://gitlab.com/wireshark/wireshark/-/work_items/21008 -
New CVE Received by [email protected]
May. 02, 2026
Action Type Old Value New Value Added Description IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.4 Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Added CWE CWE-476 Added Reference https://gitlab.com/wireshark/wireshark/-/work_items/21008 Added Reference https://www.wireshark.org/security/wnpa-sec-2026-36.html