CVE-2003-1503

CVE-2003-1503 is a critical-severity vulnerability in Aol Instant Messenger with a CVSS 2.0 base score of 10.0. 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-119.

Key facts

Description

Buffer overflow in AOL Instant Messenger (AIM) 5.2.3292 allows remote attackers to execute arbitrary code via an aim:getfile URL with a long screen name.

Frequently asked questions

What is CVE-2003-1503?
Buffer overflow in AOL Instant Messenger (AIM) 5.2.3292 allows remote attackers to execute arbitrary code via an aim:getfile URL with a long screen name.
How severe is CVE-2003-1503?
CVE-2003-1503 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2003-1503 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1503?
CVE-2003-1503 affects Aol Instant Messenger. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-1503?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2003-1503 published?
CVE-2003-1503 was published on 2003-12-31 and last updated on 2026-06-16.

References

Affected products (1)

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