CVE-2026-15172
Description
A flaw was found in Wireshark. A local user could exploit this vulnerability by processing a specially crafted FMP/NOTIFY protocol packet. This could lead to a denial of service (DoS) due to a crash in the protocol dissector, making the application unavailable.
Statement
This Moderate impact flaw in Wireshark allows a local attacker to cause a denial of service by processing a specially crafted FMP/NOTIFY protocol packet. The vulnerability requires user interaction, as an attacker must trick a local user into opening a malicious packet capture file, limiting the attack surface.
Mitigation
To mitigate this issue, users should avoid opening untrusted or suspicious packet capture files with Wireshark. Restricting access to systems running Wireshark and ensuring that only trusted network captures are analyzed can further reduce the risk of exploitation.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 5.5 | N/A | 5.5 |
| Attack Vector | Local | N/A | Local |
| Attack Complexity | Low | N/A | Low |
| Privileges Required | None | N/A | None |
| User Interaction | Required | N/A | Required |
| Scope | Unchanged | N/A | Unchanged |
| Confidentiality | None | N/A | None |
| Integrity Impact | None | N/A | None |
| Availability Impact | High | N/A | High |
Vector
Red Hat: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
cve.org: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Understanding the Weakness (CWE)
Other
Technical Impact: Varies by Context
Frequently Asked Questions
Not sure what something means? Check out our Security Glossary.
Want to get errata notifications? Sign up here.
