CVE-2018-19624

wireshark: NULL pointer dereference resulting in a PVFS dissector crash

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Severity

Low

Red Hat Product Security

7.5

CVSS 3.0

Review impact separately from score.

Published · November 27, 2018

Updated · November 22, 2025

Description

A NULL pointer dereference vulnerability in the PVFS dissector allows Wireshark to crash when parsing a specially crafted pcap file. A remote attacker could cause a denial of service to Wireshark by injecting malicious packets into the network that are automatically processed.

Statement

This issue did not affect the versions of wireshark as shipped with Red Hat Enterprise Linux 5, 6 and 7.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference