CVE-2018-14072 Denial of service in n/a

High 7.5 Published 15 Jul 2018 Updated 16 Sep 2024

A memory leak in the libsixel library allows attackers to cause a denial of service via crafted Sixel images.

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

What is CVE-2018-14072?

CVE-2018-14072 is a high-severity denial of service vulnerability in n/a, published on 15 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

libsixel 1.8.1 has a memory leak in sixel_decoder_decode in decoder.c, image_buffer_resize in fromsixel.c, and sixel_decode_raw in fromsixel.c.

Weakness: CWE-772

Which versions are affected by CVE-2018-14072?

It affects 1 product.

Products include Saitoha Libsixel.

How do I fix CVE-2018-14072?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-14072 being exploited?

There is no known exploitation of CVE-2018-14072 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-14072, GHSA-m9v8-fhhm-gqcc, UBUNTU-CVE-2018-14072.