SDP dissector crash before 4.6.5 Wireshark 4.6.04.6.4 Denial of Service
CVE-2026-5655 Published on April 30, 2026

Use After Free in Wireshark
SDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 allows denial of service

NVD

Vulnerability Analysis

CVE-2026-5655 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2026-5655. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Weakness Type

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2026-5655 has been classified to as a Dangling pointer vulnerability or weakness.


Products Associated with CVE-2026-5655

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Affected Versions

Wireshark Foundation Wireshark: