CVE-2016-9429 Memory corruption in n/a

High 8.8 Published 12 Dec 2016 Updated 6 Aug 2024

Remote attackers can cause a crash or execute arbitrary code via a crafted HTML page in the w3m text browser.

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-2016-9429?

CVE-2016-9429 is a high-severity memory corruption vulnerability in n/a, published on 12 Dec 2016. 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

An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. Buffer overflow in the formUpdateBuffer function in w3m allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted HTML page.

Weakness: CWE-119

Which versions are affected by CVE-2016-9429?

It affects 1 product.

Products include Tats W3m.

How do I fix CVE-2016-9429?

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-2016-9429 being exploited?

There is no known exploitation of CVE-2016-9429 in the wild and no public exploit code.

Sources

Also known as CVE-2016-9621, DEBIAN-CVE-2016-9429, GHSA-x2xw-p449-3736, UBUNTU-CVE-2016-9429.