CVE-2025-51005 Memory corruption in n/a

High 7.5 Published Updated

A heap-buffer-overflow in tcpreplay's tcpliveplay utility allows attackers to cause a denial of service via a crafted pcap file.

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-2025-51005?

CVE-2025-51005 is a high-severity memory corruption vulnerability in Broadcom Tcpreplay, published on 23 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A heap-buffer-overflow vulnerability exists in the tcpliveplay utility of the tcpreplay-4.5.1. When a crafted pcap file is processed, the program incorrectly handles memory in the checksum calculation logic at do_checksum_math_liveplay in tcpliveplay.c, leading to a possible denial of service.

Weakness: CWE-122

Which versions are affected by CVE-2025-51005?

It affects 1 product.

Products include Broadcom Tcpreplay.

How do I fix CVE-2025-51005?

No fix has been published for CVE-2025-51005 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2025-51005 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-51005 exists.

All Broadcom Tcpreplay vulnerabilities

Sources

Also known as DEBIAN-CVE-2025-51005, GHSA-6cvx-mw62-87pq, UBUNTU-CVE-2025-51005.

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