How severe is CVE-2005-0263?

CVE-2005-0263 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2005-0263 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-0263?

CVE-2005-0263 primarily affects Ibm Aix. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-0263?

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-2005-0263 published?

CVE-2005-0263 was published on 2005-05-02 and last updated on 2026-06-16.

CVE-2005-0263

CVE-2005-0263 is a high-severity vulnerability in Ibm Aix with a CVSS 2.0 base score of 7.2. 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 7.2)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Aix
Published: 2005-05-02
Last modified: 2026-06-16

Description

Buffer overflow in netpmon on AIX 5.1, 5.2, and 5.3 allows local users to execute arbitrary code via a long -O argument.

Frequently asked questions

What is CVE-2005-0263?: Buffer overflow in netpmon on AIX 5.1, 5.2, and 5.3 allows local users to execute arbitrary code via a long -O argument.
How severe is CVE-2005-0263?: CVE-2005-0263 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2005-0263 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0263?: CVE-2005-0263 primarily affects Ibm Aix. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-0263?: 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-2005-0263 published?: CVE-2005-0263 was published on 2005-05-02 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:o:ibm:aix:5.1:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:5.2:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:5.3:*:*:*:*:*:*:*

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