CVE-2018-14881 Memory corruption in n/a

Critical 9.8 Published 3 Oct 2019 Updated 3 Dec 2025

A buffer over-read in tcpdump's BGP parser allows attackers to cause denial of service or disclose sensitive memory contents via crafted packets.

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

What is CVE-2018-14881?

CVE-2018-14881 is a critical memory corruption vulnerability in Apple Mac Os X, published on 3 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The BGP parser in tcpdump before 4.9.3 has a buffer over-read in print-bgp.c:bgp_capabilities_print() (BGP_CAPCODE_RESTART).

Weakness: CWE-125

Which versions are affected by CVE-2018-14881?

It affects 6 products.

Products include Apple Mac Os X, Debian Debian Linux, Fedoraproject Fedora, Opensuse Leap, Redhat Enterprise Linux, Tcpdump Tcpdump.

How do I fix CVE-2018-14881?

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-2018-14881 being exploited?

There is no known exploitation of CVE-2018-14881 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Apple Mac Os X vulnerabilities

Sources

Also known as ALPINE-CVE-2018-14881, DEBIAN-CVE-2018-14881, GHSA-6pxp-xhw6-v2fw, UBUNTU-CVE-2018-14881.