CVE-2024-11596 Buffer Over-read in Wireshark

High 7.8 Published Updated

A buffer over-read in the ECMP dissector allows attackers to cause a denial of service via crafted packets or capture files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2024-11596?

CVE-2024-11596 is a high-severity denial of service vulnerability in Wireshark Wireshark, published on 21 Nov 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

ECMP dissector crash in Wireshark 4.4.0 to 4.4.1 and 4.2.0 to 4.2.8 allows denial of service via packet injection or crafted capture file

Weakness: CWE-125, CWE-126

Which versions are affected by CVE-2024-11596?

It affects 1 product.

Products include Wireshark Wireshark.

How do I fix CVE-2024-11596?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2024-11596 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-11596 exists.

All Wireshark Wireshark vulnerabilities

Sources

Also known as DEBIAN-CVE-2024-11596, GHSA-pm69-rqj8-f5fq, UBUNTU-CVE-2024-11596.

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