How severe is CVE-2010-0503?

CVE-2010-0503 has a CVSS 2.0 base score of 6.5, rated medium severity.

Is CVE-2010-0503 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-0503?

CVE-2010-0503 primarily affects Apple Mac Os X Server. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-0503?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-0503 published?

CVE-2010-0503 was published on 2010-03-30 and last updated on 2026-06-16.

CVE-2010-0503

CVE-2010-0503 is a medium-severity vulnerability in Apple Mac Os X Server with a CVSS 2.0 base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 6.5)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Apple Mac Os X Server
Published: 2010-03-30
Last modified: 2026-06-16

Description

Use-after-free vulnerability in iChat Server in Apple Mac OS X Server 10.5.8 allows remote authenticated users to execute arbitrary code or cause a denial of service (application crash) via unspecified vectors.

Frequently asked questions

What is CVE-2010-0503?: Use-after-free vulnerability in iChat Server in Apple Mac OS X Server 10.5.8 allows remote authenticated users to execute arbitrary code or cause a denial of service (application crash) via unspecified vectors.
How severe is CVE-2010-0503?: CVE-2010-0503 has a CVSS 2.0 base score of 6.5, rated medium severity.
Is CVE-2010-0503 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-0503?: CVE-2010-0503 primarily affects Apple Mac Os X Server. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-0503?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-0503 published?: CVE-2010-0503 was published on 2010-03-30 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:o:apple:mac_os_x_server:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.4:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.5:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.6:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.7:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.8:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.6.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.6.1:*:*:*:*:*:*:*

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