CVE-2006-5974 Null dereference in n/a

High 7.8 Published Updated

Remote attackers can crash fetchmail via a NULL pointer dereference when the mda option is configured to refuse messages.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2006-5974?

CVE-2006-5974 is a high-severity vulnerability in n/a, published on 9 Jan 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option, allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger a NULL pointer dereference when calling the (1) ferror or (2) fflush functions.

Weakness: CWE-20

Which versions are affected by CVE-2006-5974?

It affects 1 product.

Products include Fetchmail Fetchmail.

How do I fix CVE-2006-5974?

Upgrade to a fixed version.

Is CVE-2006-5974 being exploited?

There is no known exploitation of CVE-2006-5974 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2006-5974, GHSA-qjgr-cmw7-hw63.

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