CVE-2022-29978 Denial of service in n/a

Medium 6.5 Published 11 May 2022 Updated 3 Aug 2024

Remote attackers can cause a denial-of-service via a crafted JPEG file due to a floating point exception in the libsixel image library.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2022-29978?

CVE-2022-29978 is a medium-severity denial of service vulnerability in n/a, published on 11 May 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

There is a floating point exception error in sixel_encoder_do_resize, encoder.c:633 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.

Weakness: CWE-682

Which versions are affected by CVE-2022-29978?

It affects 1 product.

Products include Saitoha Libsixel.

How do I fix CVE-2022-29978?

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-2022-29978 being exploited?

There is no known exploitation of CVE-2022-29978 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2022-29978, GHSA-c3c6-7g46-49xf, UBUNTU-CVE-2022-29978.