How severe is CVE-2003-0946?

CVE-2003-0946 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2003-0946 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0946?

CVE-2003-0946 primarily affects Clam Anti-virus Clamav. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0946?

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

When was CVE-2003-0946 published?

CVE-2003-0946 was published on 2003-12-15 and last updated on 2026-06-16.

CVE-2003-0946

CVE-2003-0946 is a high-severity vulnerability in Clam Anti-virus Clamav with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Clam Anti-virus Clamav
Published: 2003-12-15
Last modified: 2026-06-16

Description

Format string vulnerability in clamav-milter for Clam AntiVirus 0.60 through 0.60p, and other versions before 0.65, allows remote attackers to cause a denial of service and possibly execute arbitrary code via format string specifiers in the email address argument of a "MAIL FROM" command.

Frequently asked questions

What is CVE-2003-0946?: Format string vulnerability in clamav-milter for Clam AntiVirus 0.60 through 0.60p, and other versions before 0.65, allows remote attackers to cause a denial of service and possibly execute arbitrary code via format string specifiers in the email address argument of a "MAIL FROM" command.
How severe is CVE-2003-0946?: CVE-2003-0946 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0946 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0946?: CVE-2003-0946 primarily affects Clam Anti-virus Clamav. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0946?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2003-0946 published?: CVE-2003-0946 was published on 2003-12-15 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:clam_anti-virus:clamav:0.60:*:*:*:*:*:*:*
cpe:2.3:a:clam_anti-virus:clamav:0.60p:*:*:*:*:*:*:*

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