CVE-2025-13499 Access of Uninitialized Pointer in Wireshark

High 7.8 Published Updated

An attacker can cause a denial of service in Wireshark by triggering a crash in the Kafka dissector via an uninitialized pointer access.

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-2025-13499?

CVE-2025-13499 is a high-severity vulnerability in Wireshark Wireshark, published on 21 Nov 2025. 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

Kafka dissector crash in Wireshark 4.6.0 and 4.4.0 to 4.4.10 allows denial of service

Weakness: CWE-824

Which versions are affected by CVE-2025-13499?

It affects 1 product.

Linux distribution packages (40)
wireshark AlmaLinux:10All versions1:4.4.2-4.el10_1.1
wireshark-cli AlmaLinux:10All versions1:4.4.2-4.el10_1.1
wireshark-devel AlmaLinux:10All versions1:4.4.2-4.el10_1.1
wireshark AlmaLinux:9All versions1:3.4.10-8.el9_7.1
wireshark-cli AlmaLinux:9All versions1:3.4.10-8.el9_7.1
wireshark-devel AlmaLinux:9All versions1:3.4.10-8.el9_7.1
wireshark Red Hat:enterprise_linux:10.1All versions1:4.4.2-4.el10_1.1
wireshark-cli Red Hat:enterprise_linux:10.1All versions1:4.4.2-4.el10_1.1
wireshark-cli-debuginfo Red Hat:enterprise_linux:10.1All versions1:4.4.2-4.el10_1.1
wireshark-debuginfo Red Hat:enterprise_linux:10.1All versions1:4.4.2-4.el10_1.1
wireshark-debugsource Red Hat:enterprise_linux:10.1All versions1:4.4.2-4.el10_1.1
wireshark-devel Red Hat:enterprise_linux:10.1All versions1:4.4.2-4.el10_1.1
wireshark Red Hat:enterprise_linux:9::appstreamAll versions1:3.4.10-8.el9_7.1
wireshark-cli Red Hat:enterprise_linux:9::appstreamAll versions1:3.4.10-8.el9_7.1
wireshark-cli-debuginfo Red Hat:enterprise_linux:9::appstreamAll versions1:3.4.10-8.el9_7.1
wireshark-debuginfo Red Hat:enterprise_linux:9::appstreamAll versions1:3.4.10-8.el9_7.1
wireshark-debugsource Red Hat:enterprise_linux:9::appstreamAll versions1:3.4.10-8.el9_7.1
wireshark-cli-debuginfo Red Hat:enterprise_linux:9::crbAll versions1:3.4.10-8.el9_7.1
wireshark-debuginfo Red Hat:enterprise_linux:9::crbAll versions1:3.4.10-8.el9_7.1
wireshark-debugsource Red Hat:enterprise_linux:9::crbAll versions1:3.4.10-8.el9_7.1
wireshark-devel Red Hat:enterprise_linux:9::crbAll versions1:3.4.10-8.el9_7.1
wireshark Red Hat:enterprise_linux_eus:10.0All versions1:4.4.2-3.el10_0.1
wireshark-cli Red Hat:enterprise_linux_eus:10.0All versions1:4.4.2-3.el10_0.1
wireshark-cli-debuginfo Red Hat:enterprise_linux_eus:10.0All versions1:4.4.2-3.el10_0.1
wireshark-debuginfo Red Hat:enterprise_linux_eus:10.0All versions1:4.4.2-3.el10_0.1
wireshark-debugsource Red Hat:enterprise_linux_eus:10.0All versions1:4.4.2-3.el10_0.1
wireshark-devel Red Hat:enterprise_linux_eus:10.0All versions1:4.4.2-3.el10_0.1
wireshark Red Hat:rhel_e4s:9.0::appstreamAll versions1:3.4.10-1.el9_0.1
wireshark-cli Red Hat:rhel_e4s:9.0::appstreamAll versions1:3.4.10-1.el9_0.1
wireshark-cli-debuginfo Red Hat:rhel_e4s:9.0::appstreamAll versions1:3.4.10-1.el9_0.1
wireshark-debuginfo Red Hat:rhel_e4s:9.0::appstreamAll versions1:3.4.10-1.el9_0.1
wireshark-debugsource Red Hat:rhel_e4s:9.0::appstreamAll versions1:3.4.10-1.el9_0.1
wireshark Red Hat:rhel_e4s:9.2::appstreamAll versions1:3.4.10-4.el9_2.1
wireshark-cli Red Hat:rhel_e4s:9.2::appstreamAll versions1:3.4.10-4.el9_2.1
wireshark-cli-debuginfo Red Hat:rhel_e4s:9.2::appstreamAll versions1:3.4.10-4.el9_2.1
wireshark-debuginfo Red Hat:rhel_e4s:9.2::appstreamAll versions1:3.4.10-4.el9_2.1
wireshark-debugsource Red Hat:rhel_e4s:9.2::appstreamAll versions1:3.4.10-4.el9_2.1
wireshark Red Hat:rhel_eus:9.4::appstreamAll versions1:3.4.10-6.el9_4.1
wireshark-cli Red Hat:rhel_eus:9.4::appstreamAll versions1:3.4.10-6.el9_4.1
wireshark-cli-debuginfo Red Hat:rhel_eus:9.4::appstreamAll versions1:3.4.10-6.el9_4.1

Products include Wireshark Wireshark.

How do I fix CVE-2025-13499?

Upgrade to a fixed version.

Is CVE-2025-13499 being exploited?

There is no known exploitation of CVE-2025-13499 in the wild and no public exploit code.

All Wireshark Wireshark vulnerabilities

Sources

Also known as ALSA-2025:23083, ALSA-2025:23142, AZL-70664, CLSA-2025-1766233846, CLSA-2025-1766501828, DEBIAN-CVE-2025-13499 and 17 more.

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