CVE-2026-15164 Heap-based Buffer Overflow in ciscodump

Medium 5.5 Published Updated

A heap-based buffer overflow in ciscodump allows attackers to cause a denial of service via crafted input.

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-2026-15164?

CVE-2026-15164 is a medium-severity memory corruption vulnerability in Wireshark Wireshark, published on 8 Jul 2026. 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

Crash in ciscodump 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

Weakness: CWE-122

Which versions are affected by CVE-2026-15164?

It affects 1 product.

Products include Wireshark Wireshark.

How do I fix CVE-2026-15164?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-15164 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15164 exists.

All Wireshark Wireshark vulnerabilities

Sources

Also known as AZL-92156, DEBIAN-CVE-2026-15164, GHSA-w5mx-46xm-8f3v, MINI-7cm2-5cf6-cvfr, UBUNTU-CVE-2026-15164.

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