CVE-2025-13945
Improperly Controlled Sequential Memory Allocation in Wireshark
Description
HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service
INFO
Published Date :
Dec. 3, 2025, 8:15 a.m.
Last Modified :
Dec. 5, 2025, 3:08 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 version 4.6.2 or later.
- Avoid using vulnerable Wireshark versions for packet inspection.
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-2025-13945.
| URL | Resource |
|---|---|
| https://gitlab.com/wireshark/wireshark/-/issues/20860 | Exploit Issue Tracking Third Party Advisory Patch |
| https://www.wireshark.org/security/wnpa-sec-2025-07.html | Vendor Advisory Exploit Issue Tracking |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-13945 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-2025-13945
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-2025-13945 vulnerability anywhere in the article.
-
CybersecurityNews
Wireshark 4.6.2 Released With Fix for Vulnerabilities, and Updated Protocol Support
Wireshark 4.6.2, the latest version of the leading open-source network protocol analyzer, addresses critical crash vulnerabilities and plugin compatibility issues. This maintenance release prioritizes ... Read more
The following table lists the changes that have been made to the
CVE-2025-13945 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]
Dec. 05, 2025
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) 4.6.2 Added Reference Type GitLab Inc.: https://gitlab.com/wireshark/wireshark/-/issues/20860 Types: Exploit, Issue Tracking, Patch, Third Party Advisory Added Reference Type GitLab Inc.: https://www.wireshark.org/security/wnpa-sec-2025-07.html Types: Exploit, Issue Tracking, Vendor Advisory -
New CVE Received by [email protected]
Dec. 03, 2025
Action Type Old Value New Value Added Description HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Added CWE CWE-1325 Added Reference https://gitlab.com/wireshark/wireshark/-/issues/20860 Added Reference https://www.wireshark.org/security/wnpa-sec-2025-07.html