CVE-2023-41910 Memory corruption in n/a

Critical 9.8 Published 5 Sep 2023 Updated 30 Sep 2024

A remote attacker can trigger an out-of-bounds heap read in lldpd via crafted CDP packets, potentially causing crashes or leaking memory.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2023-41910?

CVE-2023-41910 is a critical memory corruption vulnerability in n/a, published on 5 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in lldpd before 1.0.17. By crafting a CDP PDU packet with specific CDP_TLV_ADDRESSES TLVs, a malicious actor can remotely force the lldpd daemon to perform an out-of-bounds read on heap memory. This occurs in cdp_decode in daemon/protocols/cdp.c.

Weakness: CWE-125

Which versions are affected by CVE-2023-41910?

It affects 1 product.

Linux distribution packages (1)

lldpd openSUSE:Tumbleweed All versions 1.0.23-1.1

Products include Lldpd Project Lldpd.

How do I fix CVE-2023-41910?

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-2023-41910 being exploited?

There is no known exploitation of CVE-2023-41910 in the wild and no public exploit code.

Sources

Also known as AZL-28656, CLSA-2025-1758729003, DEBIAN-CVE-2023-41910, DLA-3578-1, DSA-5505-1, GHSA-5vp9-2h7g-hxq8 and 2 more.