CVE-2007-6109 Memory corruption in n/a

Critical 10.0 Published 7 Dec 2007 Updated 7 Aug 2024

A stack-based buffer overflow in Emacs allows attackers to cause a crash or potentially execute code via a crafted format string specifier.

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-2007-6109?

CVE-2007-6109 is a critical memory corruption vulnerability in n/a, published on 7 Dec 2007. 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

Stack-based buffer overflow in emacs allows user-assisted attackers to cause a denial of service (application crash) and possibly have unspecified other impact via a large precision value in an integer format string specifier to the format function, as demonstrated via a certain "emacs -batch -eval" command line.

Weakness: CWE-119

Which versions are affected by CVE-2007-6109?

It affects 1 product.

Products include Gnu Emacs.

How do I fix CVE-2007-6109?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2007-6109 being exploited?

There is no known exploitation of CVE-2007-6109 in the wild and no public exploit code.

Sources

Also known as AZL-34672, DEBIAN-CVE-2007-6109, DTSA-98-1, DTSA-99-1, GHSA-2gmr-48xr-j34m.