CVE-2026-5407

medium Red Hat
CVSS v3 Base Score
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score
0.0%
Exploitation probability in 30 days
Top 99% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Published: April 30, 2026 (71 days ago)
Last Modified: April 30, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in Wireshark, a network protocol analyzer. An attacker could exploit this vulnerability by providing a specially crafted network capture file containing malicious SMB2 protocol data. This could trigger an infinite loop in Wireshark's SMB2 analysis component, leading to a denial of service (DoS) where the application becomes unresponsive.

CWE

CWE-835

Affected Products

Red Hat Enterprise Linux 10Red Hat Enterprise Linux 6Red Hat Enterprise Linux 7Red Hat Enterprise Linux 8Red Hat Enterprise Linux 9

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 gitlab.com 🔗 www.wireshark.org