CVE-2023-29996 Null dereference in n/a

High 7.5 Published 4 May 2023 Updated 29 Jan 2025

A null pointer dereference in NanoMQ's subinfo decoding allows attackers to cause a denial of service via crafted packets.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-29996?

CVE-2023-29996 is a high-severity vulnerability in n/a, published on 4 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In NanoMQ v0.15.0-0, segment fault with Null Pointer Dereference occurs in the process of decoding subinfo_decode and unsubinfo_decode.

Weakness: CWE-476

Which versions are affected by CVE-2023-29996?

It affects 1 product.

Products include Emqx Nanomq.

How do I fix CVE-2023-29996?

No fix has been published for CVE-2023-29996 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-29996 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-29996 exists.

Sources

Also known as GHSA-p6p7-rm34-8cgq.