How severe is CVE-2004-0224?

CVE-2004-0224 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2004-0224 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0224?

CVE-2004-0224 primarily affects Double Precision Incorporated Courier Mta. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-0224?

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-2004-0224 published?

CVE-2004-0224 was published on 2004-04-15 and last updated on 2026-06-16.

CVE-2004-0224

CVE-2004-0224 is a high-severity vulnerability in Double Precision Incorporated Courier Mta 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% (87th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Double Precision Incorporated Courier Mta
Published: 2004-04-15
Last modified: 2026-06-16

Description

Multiple buffer overflows in (1) iso2022jp.c or (2) shiftjis.c for Courier-IMAP before 3.0.0, Courier before 0.45, and SqWebMail before 4.0.0 may allow remote attackers to execute arbitrary code "when Unicode character is out of BMP range."

Frequently asked questions

What is CVE-2004-0224?: Multiple buffer overflows in (1) iso2022jp.c or (2) shiftjis.c for Courier-IMAP before 3.0.0, Courier before 0.45, and SqWebMail before 4.0.0 may allow remote attackers to execute arbitrary code "when Unicode character is out of BMP range."
How severe is CVE-2004-0224?: CVE-2004-0224 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2004-0224 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0224?: CVE-2004-0224 primarily affects Double Precision Incorporated Courier Mta. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0224?: 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-2004-0224 published?: CVE-2004-0224 was published on 2004-04-15 and last updated on 2026-06-16.

References

Affected products (22)

cpe:2.3:a:double_precision_incorporated:courier_mta:0.43:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:courier_mta:0.43.1:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:courier_mta:0.43.2:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:courier_mta:0.44:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:courier_mta:0.44.2:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:sqwebmail:3.5.2:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:sqwebmail:3.5.3:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:sqwebmail:3.6.1:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:sqwebmail:3.6.2:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:sqwebmail:3.6_.0:*:*:*:*:*:*:*
cpe:2.3:a:inter7:courier-imap:1.6:*:*:*:*:*:*:*
cpe:2.3:a:inter7:courier-imap:1.7:*:*:*:*:*:*:*
cpe:2.3:a:inter7:courier-imap:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:inter7:courier-imap:2.1:*:*:*:*:*:*:*
cpe:2.3:a:inter7:courier-imap:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:inter7:courier-imap:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:inter7:courier-imap:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:inter7:courier-imap:2.2.1:*:*:*:*:*:*:*
cpe:2.3:o:gentoo:linux:1.4:*:*:*:*:*:*:*
cpe:2.3:o:gentoo:linux:1.4:rc1:*:*:*:*:*:*
cpe:2.3:o:gentoo:linux:1.4:rc2:*:*:*:*:*:*
cpe:2.3:o:gentoo:linux:1.4:rc3:*:*:*:*:*:*

More vulnerabilities in Double Precision Incorporated Courier Mta

CVE-2006-2659 — High (CVSS 7.8): libs/comverp.c in Courier MTA before 0.53.2 allows attackers to cause a denial of service (CPU consumption) via unknown…
CVE-2003-0040 — High (CVSS 7.5): SQL injection vulnerability in the PostgreSQL auth module for courier 0.40 and earlier allows remote attackers to…
CVE-2002-0914 — Medium (CVSS 5.0): Double Precision Courier e-mail MTA allows remote attackers to cause a denial of service (CPU consumption) via a…
CVE-2002-1311 — Medium (CVSS 4.6): Courier sqwebmail before 0.40.0 does not quickly drop privileges after startup in certain cases, which could allow…

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