How severe is CVE-2006-0559?

CVE-2006-0559 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2006-0559 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-0559?

CVE-2006-0559 affects Mcafee Webshield Smtp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-0559?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2006-0559 published?

CVE-2006-0559 was published on 2006-04-04 and last updated on 2026-06-16.

CVE-2006-0559

CVE-2006-0559 is a critical-severity vulnerability in Mcafee Webshield Smtp with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mcafee Webshield Smtp
Published: 2006-04-04
Last modified: 2026-06-16

Description

Format string vulnerability in the SMTP server for McAfee WebShield 4.5 MR2 and earlier allows remote attackers to execute arbitrary code via format strings in the domain name portion of a destination address, which are not properly handled when a bounce message is constructed.

Frequently asked questions

What is CVE-2006-0559?: Format string vulnerability in the SMTP server for McAfee WebShield 4.5 MR2 and earlier allows remote attackers to execute arbitrary code via format strings in the domain name portion of a destination address, which are not properly handled when a bounce message is constructed.
How severe is CVE-2006-0559?: CVE-2006-0559 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2006-0559 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-0559?: CVE-2006-0559 affects Mcafee Webshield Smtp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-0559?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2006-0559 published?: CVE-2006-0559 was published on 2006-04-04 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:mcafee:webshield_smtp:*:mr2_patch:*:*:*:*:*:*

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