CVE-2009-4835 Denial of service in n/a

Medium 4.3 Published 5 May 2010 Updated 16 Sep 2024

A divide-by-zero error in libsndfile allows attackers to crash applications via crafted audio files, requiring user interaction to open the file.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2009-4835?

CVE-2009-4835 is a medium-severity denial of service vulnerability in n/a, published on 5 May 2010. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

The (1) htk_read_header, (2) alaw_init, (3) ulaw_init, (4) pcm_init, (5) float32_init, and (6) sds_read_header functions in libsndfile 1.0.20 allow context-dependent attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted audio file.

Weakness: CWE-189

Which versions are affected by CVE-2009-4835?

It affects 1 product.

Products include Mega-Nerd Libsndfile.

How do I fix CVE-2009-4835?

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-2009-4835 being exploited?

There is no known exploitation of CVE-2009-4835 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2009-4835, GHSA-rfpj-4fj4-rm47.