How severe is CVE-2003-0538?

CVE-2003-0538 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2003-0538 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0538?

CVE-2003-0538 primarily affects Mozart. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0538?

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-2003-0538 published?

CVE-2003-0538 was published on 2003-08-18 and last updated on 2026-06-16.

CVE-2003-0538

CVE-2003-0538 is a high-severity vulnerability in Mozart 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: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mozart
Published: 2003-08-18
Last modified: 2026-06-16

Description

The mailcap file for mozart 1.2.5 and earlier causes Oz applications to be passed to the Oz interpreter, which allows remote attackers to execute arbitrary Oz programs in a MIME-aware client program.

Frequently asked questions

What is CVE-2003-0538?: The mailcap file for mozart 1.2.5 and earlier causes Oz applications to be passed to the Oz interpreter, which allows remote attackers to execute arbitrary Oz programs in a MIME-aware client program.
How severe is CVE-2003-0538?: CVE-2003-0538 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0538 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0538?: CVE-2003-0538 primarily affects Mozart. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0538?: 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-2003-0538 published?: CVE-2003-0538 was published on 2003-08-18 and last updated on 2026-06-16.

References

http://www.debian.org/security/2003/dsa-342

Affected products (2)

cpe:2.3:a:mozart:mozart:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:mozart:mozart:1.2.5:*:*:*:*:*:*:*