CVE-2006-5973 Memory corruption in n/a

Medium 5.0 Published 20 Nov 2006 Updated 7 Aug 2024

Authenticated remote users can crash the Dovecot server via a buffer overflow when mmap is disabled, causing denial of service.

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

What is CVE-2006-5973?

CVE-2006-5973 is a medium-severity memory corruption vulnerability in n/a, published on 20 Nov 2006. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Off-by-one buffer overflow in Dovecot 1.0test53 through 1.0.rc14, and possibly other versions, when index files are used and mmap_disable is set to "yes," allows remote authenticated IMAP or POP3 users to cause a denial of service (crash) via unspecified vectors involving the cache file.

Which versions are affected by CVE-2006-5973?

It affects 1 product.

Products include Timo Sirainen Dovecot.

How do I fix CVE-2006-5973?

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-2006-5973 being exploited?

There is no known exploitation of CVE-2006-5973 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2006-5973, GHSA-2xmp-j7gv-wmqh.